Big dog collars suitable for your large breed dog are not always easy to find. Here is a selection of collars for dogs larger than 100 pounds with 21" necks and larger. There are even some XL sizes for the giant breeds. Popular big and large breeds include: Akita (85-130 lbs), American Bulldog (70-100 lbs), Anatolian Shepherd (100-150 lbs), Black Russian Terrier (80-140 lbs), Bullmastiff (125-130 lbs), Caucasian Ovcharka (100-155 lbs), Central Asian Shepherd Dog (90-175 lbs), Doberman Pinscher (90-140 lbs), Great Dane (120-160 lbs), Greater Swiss Mountain Dog (135 lbs), Irish Wolfhound (120 lbs), Kuvasz (100-115 lbs), Mastiff (175-220 lbs), Neapolitan Mastiff (110-150 lbs), Newfoundland (130-150 lbs), Otterhound (115 lbs), Rottweiler (95-130 lbs), Saint Bernard (120-180 lbs), Scottish Deer Hound (65-110 lbs), Tibetan Masiff (100+ lbs)

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Round - Rolled Dog Collars - 11 colors $22.0060's & 70's Dog Collar - 7 colors $8.00By The Sea Dog Collar - 24 designs $8.00KeepSafe Break Away Dog Collar - 4 colors $10.00Perfect Polkas Dog Collar- 9 colors $8.00Cool Tattoos Dog Collar- 6 colors $8.00Madras Plaid Dog Collar - 3 patterns $8.00At The Beach Dog Collar - 3 patterns $24.00Petal Dog Collar Collection - 5 colors $30.00Stripes and Plaids Dog Collar- 7 colors $8.00So Famous Big Dog Personalized Dog Collar - 18mm $10.00Tartan Plaids & Argyles Dog Collar- 10 colors $8.00Martingale Rolled Dog Collar - 3 colors $28.00Saratoga Suede Dog Collars $16.004 Row Large Swarovski Crystal Dog Collar - 9 colors $204.50

Bestsellers

2 Row Large Swarovski Crystal Dog Collar- 5 colors From: $178.50 Sizes: S M L XL	4 Row Large Swarovski Crystal Dog Collar - 9 colors From: $204.50 Sizes: S M L XL	60's & 70's Dog Collar - 7 colors From: $8.00 Sizes: S M L	60's & 70's Dog Martingale Collar- 7 colors From: $9.50 Sizes: S M L
60's & 70's Uptown Dog Collar - 3 designs From: $14.50 Sizes: S M L	8 Row Large Swarovski Crystal Dog Collar- 3 colors available From: $460.00 Sizes: M L	American Pride Martingale Dog Collar - 2 patterns From: $9.50 Sizes: S M L	Apple Dog Collar - 2 colors From: $28.00 Sizes: S M L
Aqua Bling Dog Collar From: $70.00 Sizes: XS S M	At The Beach Dog Collar - 3 patterns From: $24.00 Sizes: XS S M L XL	B and B Dog Collar - 3 colors From: $35.00	Bad Dogs Dog Collar - 3 patterns From: $18.00 Sizes: S M L XL
Bandana Dog Collar From: $20.00 Sizes: S M L	Beauty and the Bold Dog Collar - 3 colors From: $149.90 Sizes: M L XL	Bella Leather Collar From: $40.00 Sizes: XS S M L	Berry Dog Collar - 2 colors available From: $24.00 Sizes: S M
Best Friend Dog Collar From: $24.00 Sizes: S M L XL	Black Bling Dog Collar- 2 colors From: $70.00 Sizes: S M L	Block Island Dog Collar - 3 patterns From: $24.00 Sizes: S M L XL	Boho Pink Nylon Collar From: $24.00 Sizes: XS S M L
Boho Turquoise Nylon Collar From: $24.00 Sizes: XS S M L	Braided Heaven Dog Collar - 2 Colors From: $95.90 Sizes: M L XL	Brass Large Breed Dog Collars - 3 colors - 43 breeds From: $318.00 Sizes: M L	Brass Large Breed Dog Collars With Nameplate - 3 colors - 44 breeds From: $318.00 Sizes: M L
Brass Line Dog Collar - 3 Colors From: $78.00 Sizes: M L XL	Brass Plates Dog Collar - 3 colors From: $99.90 Sizes: M L XL	Brass Style Dog Collar - 3 colors From: $78.00 Sizes: M L XL	Breast Cancer Awareness Dog Collar - 2 colors From: $8.00 Sizes: S M L
Brown Fruit Basket Dog Collar From: $28.00 Sizes: S M L	Brown Leopard Bling Dog Collar From: $70.00 Sizes: S M L	Bubble Retro Dog Collar -2 colors available From: $28.00 Sizes: S M L	Bumps and Bits Dog Collar - 3 colors From: $95.90 Sizes: M L
Butterfly Dog Collar Collection - 3 colors From: $42.00 Sizes: S M L	By The Sea Dog Collar - 24 designs From: $8.00 Sizes: TY XS S M L	By The Sea Uptown Dog Collar - 3 colors From: $14.50 Sizes: S M L	Camas Flower Dog Collar - 2 patterns From: $24.00 Sizes: S M L XL
Cheetah Beaded Dog Collar From: $40.00 Sizes: S M L	Circles Dog Collar - Red/White/Blue From: $68.00 Sizes: S M L	City Slicker Dog Collar - 5 colors available From: $20.00 Sizes: S M L XL	Classy Keir Choke Dog Collar - 2 colors From: $85.90 Sizes: M L
Coco After Midnight Swarovski Crystal Dog Collar - 3 colors From: $140.00 Sizes: TY XS S M L	Coco Swarovski Crystal Dog Collar - 11 colors From: $140.00 Sizes: TY XS S M L	Cool Tattoos Dog Collar- 6 colors From: $8.00 Sizes: S M L	Cool Tattoos Martingale Dog Collar- 5 colors From: $9.50 Sizes: S M L
Country Hound Dog Collar - 2 colors From: $119.50 Sizes: M L	Crystal Hearts Dog Collar - 2 colors From: $135.00 Sizes: S M L XL	Crystal Stars Dog Collar - 2 colors From: $159.50 Sizes: S M L XL	D&T Delight Dog Collar - 3 colors From: $51.90 Sizes: M L
Daisy Bling Dog Collar with Swarovski Crystals From: $36.00 Sizes: XS S M L	Daisy Daze Dog Collar - 3 colors From: $24.00 Sizes: S M L	Daisy Embroidered Dog Collar-2 colors From: $24.00 Sizes: S M L	Dean's Legend Dog Collar
Domed Rivets Dog Collar - 6 colors From: $54.00 Sizes: XS S M L	Dover Court Dog Collar - 6 colors From: $14.50 Sizes: S M L XL	Dover Court Tiny Dog Collar From: $15.50 Sizes: S	Duet Swarovski Crystal Cluster Collar From: $64.00 Sizes: XS S M L
Easter Dog Collar - 2 patterns From: $8.00 Sizes: S M L	ECO Gentle Leader Dog Headcollar And Leash From: $25.00 Sizes: XS S M L	Eco-Lucks Hackysack Dog Collar From: $26.00 Sizes: S M L	Eco-Lucks Hong Kong Seas Dog Collar From: $28.00 Sizes: S M L
Eco-Lucks Kimono Dog Collar	Eco-Lucks Socialite Dog Collar From: $24.00 Sizes: S M L	Eco-Lucks Thunder Cloud Dog Collar From: $24.00 Sizes: S M L	Egyptian Gem Dog Collar - 3 colors From: $71.90 Sizes: M L
Estate Dog Collar Collection - 12 colors From: $90.00 Sizes: S M L	Estate Engraved Brass Name plate Dog Collar From: $90.00 Sizes: TY XS S M	Eyelet & Stud Leather Dog Collar- 8 colors From: $40.00 Sizes: S M L	Flames & Camo Dog Collar- 6 colors From: $8.00 Sizes: S M L
Flames & Camo Martingale Dog Collar- 6 colors From: $9.50 Sizes: S M L	Flower Burst Dog Collar From: $19.00 Sizes: S M L XL	Foolish Fish Dog Collar - 4 patterns From: $24.00 Sizes: XS S M L XL	Gentle Leader Deluxe Dog Headcollar From: $30.00 Sizes: XS S M L XL
Genuine Alligator Dog Collar List Price: $340.00 From: $199.99 Sizes: S M L	Genuine Ostrich Dog Collar List Price: $180.00 From: $99.99 Sizes: S M L	Georgia Rose Dog Collar Collection - 6 colors From: $80.00 Sizes: S M L	GI Dog Collar From: $32.00 Sizes: S M L XL
Good Dogs Dog Collar - 4 patterns From: $18.00 Sizes: S M L XL	Green Fruit Basket Dog Collar From: $28.00 Sizes: S M L	Halloween Dog Collar - 8 designs From: $8.00 Sizes: S M L	Happy Camper Dog Collar Collection - 8 styles From: $38.00 Sizes: S M L
Harborside Dog Collar - 2 patterns From: $24.00 Sizes: S M L XL	Hartman Dog Collar Collection - 16 colors From: $70.00 Sizes: M L	Hazel Dog Collar From: $35.00 Sizes: S M L	Heart and Cross Bones Dog Collar - 6 colors From: $60.00 Sizes: XS S M L
Holiday Dog Collar Collection From: $80.00 Sizes: S M L	Horse & Hound Dog Collar Collection - 9 colors From: $80.00 Sizes: S M L	Im A Good Dog Collar From: $8.00 Sizes: S M L	Imperial Collection Blue Sand Stone & Sodalite Dog Collar From: $56.00 Sizes: S M L
Imperial Collection Carnelian Dog Collar From: $56.00 Sizes: S M L	Imperial Collection Cat's Eye Dog Collar From: $56.00 Sizes: S M L	Imperial Tiger Eye & Onyx Dog Collar From: $56.00 Sizes: S M L	Imperial Turquoise & Cat's Eye Dog Collar From: $56.00 Sizes: S M L
Imperial Turquoise & Onyx Dog Collar From: $56.00 Sizes: S M L	Iron Cross Dog Collar - 4 colors From: $28.00 Sizes: S M L XL	KeepSafe Break Away Dog Collar - 4 colors From: $10.00 Sizes: XS S M L XL	Lab Dog Collar - 2 colors available From: $10.00 Sizes: S M L
Lady Bug Dog Collar From: $28.00 Sizes: S M L	Linked In Leather Collar Price: $187.00 Sizes: L	Lucky Dog Cool Tattoo Dog Collar From: $8.00 Sizes: S M L	Lucky Dog Cool Tattoo Martingale Dog Collar From: $9.50 Sizes: S M L
Lucky Star Denim Dog Collar-2 Colors Available From: $28.00 Sizes: S M L	Lucky Star Orange Dog Collar From: $28.00 Sizes: S M L	Madras Plaid Dog Collar - 3 patterns From: $8.00 Sizes: S M L	Malindi Dog Collar From: $40.00 Sizes: S M L
Maroon Beaded Dog Collar From: $48.00 Sizes: S M L	Martingale Rolled Dog Collar - 3 colors From: $28.00 Sizes: M L XL	Martingale With Quick Snap Buckle Dog Collar From: $10.50 Sizes: XS S M L XL	Moab Dog Collar - 3 patterns From: $24.00 Sizes: S M L XL
Navy Fruit Basket Dog Collar From: $28.00 Sizes: S M L	Over The Rainbow Beaded Dog Collar From: $40.00 Sizes: S M L	Paisley Dog Collar- 4 colors From: $8.00 Sizes: S M L	Paisley Martingale Dog Collar- 4 colors From: $9.50 Sizes: S M L
Paul Frank Devil Julius Collar From: $27.95 Sizes: S M L	Paul Frank Skurvy Dog Collar From: $27.95 Sizes: S M L	Peace, Love & Harmony Dog Collar- 4 colors From: $8.00 Sizes: S M L	Pebble Amethyst Dog Collar From: $54.00 Sizes: S M L
Pebble Gold Sandstone Dog Collar From: $54.00 Sizes: S M L	Pebble Hematite on Green Dog Collar From: $54.00 Sizes: S M L	Pebble Onyx Dog Collar	Pebble Turquoise Dog Collar From: $54.00 Sizes: S M L
Perfect Polkas Dog Collar- 9 colors From: $8.00 Sizes: S M L	Petal Dog Collar Collection - 5 colors From: $30.00 Sizes: S M L	Picture Jasper Beading Dog Collar From: $48.00 Sizes: S M L	Pink and Brown Argyle with Stripes Dog Collar From: $8.00 Sizes: S M L
Pink and Brown Argyle with Stripes Martingale Dog Collar From: $9.50 Sizes: S M L	Pink Leopard Fur Bling Dog Collar From: $70.00 Sizes: S M L	Plated Perfection Dog Collar - 3 colors From: $71.90 Sizes: M L	PlaySafe Daycare Safety Dog Collar From: $10.00 Sizes: XS S M L XL
Poppy Garden Dog Collar From: $28.00 Sizes: S M L	Poppy Stripe Dog Collar From: $28.00 Sizes: S M L	Posh Paisley Dog Collar - 5 patterns From: $8.00 Sizes: S M L	Preppy Polka Dot Dog Collar - 7 colors From: $8.00 Sizes: S M L
Private Reserve Dog Collars - 6 colors From: $80.00 Sizes: XS S M L	Quick Grab Dog Collar From: $70.00 Sizes: M L XL	Red Croc Bling Dog Collar From: $70.00 Sizes: S M L	Red Crocodile Embossed Leather Collar From: $43.00 Sizes: XS S M L
Red Fur Bling Dog Collar From: $70.00 Sizes: S M L	Reflective Dog Collar - 3 colors available From: $16.00 Sizes: S M L XL	Retro Cool Dog Collar- 5 colors From: $8.00 Sizes: S M L	Retro Rulz Dog Collar - 3 colors From: $99.90 Sizes: M L
Rockin Leather Dog Collar - 6 colors From: $44.00 Sizes: XS S M L	Rolled Leather/ Choke Dog Collar - 3 colors available From: $38.00 Sizes: S M L XL	Round - Rolled Dog Collars - 11 colors From: $22.00 Sizes: S M L XL	Saratoga Suede Dog Collars From: $16.00 Sizes: S M L XL
Seaside Collection Eco-Lucks Dog Collar	Seneca Dog Collar- 3 colors available From: $24.00 Sizes: S M L	Shamrock Dog Collar From: $8.00 Sizes: S M L	Silver Fire Dog Collar - 3 Colors From: $78.00 Sizes: M L XL
Silver Tag Dog Collar - 3 colors From: $69.95 Sizes: M L	Simple Treasure Dog Collar - 3 colors available From: $85.90 Sizes: M L	Simplicity Dog Collar From: $73.90 Sizes: M L XL	Simply Solid Dog Collar - 4 colors From: $24.00 Sizes: S M L
Simply Stunning Dog Collar - 3 Colors	Single Row Inset Swarovski Dog Collar - 4 colors available From: $143.00 Sizes: M L	Skull And Cross Bones Heart Dog Collar - 6 colors From: $60.00 Sizes: XS S M L	Snaffle Bit Tapered Dog Collar -2 colors From: $121.00 Sizes: M L
So Famous Big Dog Personalized Dog Collar - 18mm From: $10.00 Sizes: M L	Sparkle Dog Collar - 3 colors available From: $22.00 Sizes: S M L	Sparky's Choice Waterproof Dog Collar - 7 colors From: $18.00 Sizes: S M L	Spiked Dog Collar - 3 colors available From: $64.00 Sizes: M L
Sports Dog Collar- 5 colors From: $8.00 Sizes: S M L	Sports Martingale Dog Collar- 5 colors From: $9.50 Sizes: S M L	Star Tapered Large Dog Collar - 3 colors From: $144.00 Sizes: S M L	Starry Day Dog Collar - 3 patterns From: $24.00 Sizes: XS S M L XL
Stars Dog Collar - 4 colors From: $120.50 Sizes: S M L XL	Straight Cut Random Swarovski Crystal Dog Collar - 13 colors From: $159.50 Sizes: S M L	Strawberry Dog Collar-2 colors available From: $24.00 Sizes: S M L	String of Pearls Dog Collar List Price: $45.00 From: $24.99 Sizes: S M L
Stripes and Plaids Dog Collar- 7 colors From: $8.00 Sizes: S M L	Studly Dog Collar - 3 colors From: $95.90 Sizes: M L	Stylish Trends Dog Collar - 11 designs From: $8.00 Sizes: TY XS S M L XL	Stylish Trends Martingale Dog Collar - 8 colors From: $9.50 Sizes: XS S M L
Sun Valley Dog Collar - 3 patterns From: $24.00 Sizes: XS S M L XL	Swarovski Crystal Cluster Collar From: $96.00 Sizes: XS S M L	Swarovski Stones Clear Single Row Dog Collar- 4 colors From: $48.00 Sizes: XS S M L	Tartan Plaids & Argyles Dog Collar- 10 colors From: $8.00 Sizes: S M L
Tartan Plaids & Argyles Martingale Dog Collar- 7 colors From: $9.50 Sizes: S M L	Tiger Tapered Swarovski Crystal Dog Collar- 3 colors From: $336.00 Sizes: M L	Tough Guys & Girls Dog Collar- 8 colors From: $8.00 Sizes: S M L	Tough Guys & Girls Martingale Dog Collar- 7 colors From: $9.50 Sizes: S M L
Town Dog Collar - 6 colors From: $10.00 Sizes: S M L	Traditional Dog Collar From: $24.00 Sizes: XS S M L XL	Trend Setters Dog Collar- 10 colors available From: $8.00 Sizes: TY XS S M L	Trend Setters Martingale Dog Collar- 4 colors From: $9.50 Sizes: S M L
Tyler's Vintage Dog Collar - 3 colors From: $99.90	Unity Beaded Dog Collar From: $48.00 Sizes: S M L	Uptown Retro Dog Collar - 3 patterns From: $18.00 Sizes: S M L XL	Valentines Dog Collar - 4 colors From: $8.00 Sizes: TY XS S M L
Valentines Uptown Dog Collar From: $14.50 Sizes: S M L XL	Wander Dog Collar - 5 colors From: $10.00 Sizes: S M L XL	White Light Dog Collar - 3 colors From: $78.00	Who Adopted Who Dog Collar From: $8.00 Sizes: S M L
Wide Star Large Dog Collar - 2 colors From: $144.00 Sizes: S M L XL	Wild Outdoors Dog Collar- 6 colors available From: $10.00 Sizes: S M L	Wine Country Dog Collar- 4 colors From: $8.00 Sizes: S M L	Woven Martingale Dog Collar - 5 patterns From: $24.00 Sizes: S M L XL
2 inch Tuff Stuff Dog Collar - 2 colors available From: $33.00 Sizes: M L XL	Hudson Bay Dog Collars - 2 colors available From: $27.50 Sizes: S M L XL	Madison & Maxwell Dog Collar- 4 colors From: $48.00 Sizes: S M L XL	Fabric 09 Dog Collars Collection From: $22.00 Sizes: S M L
Fabric Dog Collar Collection From: $22.00 Sizes: S M L	Heirloom Stars Dog Collar - 3 colors available From: $26.00 Sizes: M L	Heirloom Studded Dog Collar - 3 colors available From: $27.00 Sizes: M L	Studded Dog Collar- 6 colors available From: $21.00 Sizes: S M L
Texas Star Dog Collar - 2 colors available From: $40.00 Sizes: M L	Earth Dog Collar From: $40.00 Sizes: S M L	Guinea Fowl Dog Collar From: $40.00 Sizes: S M L	Jacaranda Dog Collar From: $40.00 Sizes: S M L
Bougainvillea Dog Collar From: $40.00 Sizes: S M L	Blue/Brown Circles Dog Collar From: $40.00 Sizes: S M L	Circle of Life Dog Collar From: $40.00 Sizes: S M L	Primary Colors Beaded Dog Collar From: $60.00 Sizes: S M L
Topi Dog Collar From: $40.00 Sizes: S M L