
GCH Banana Joe V Tani Kazari, also known as Joe, is a 13 year old toy Affenpinscher that won Best In Show at the 137th Westminster Kennel Club Dog Show on February 12, 2013. Banana Joe was the first of his breed to win Best in Show at Madison Square Garden. This was his last show, and following it Joe went home to the Netherlands to be with his owner Mieke Cooijmans.

Ch. Barberryhill Bootlegger was a Sealyham Terrier and the 1924 best in show winner at the Westminster Kennel Club Dog Show. He was born December 31, 1920, to breeder and owner Bayard Warren, in Pride's Crossing, Massachusetts. This was the first Westminster held under the newly revised rules for judging group and best in show winners. Paul E. Lockwood described the dog as "a Massachusetts Yankee of backwoods stock" Walter H. Reeves, who judged the show along with Norman Swire, said that Bootlegger "comes very close to perfection ... [he] is beautifully built, teems with type and moves like a piece of machinery." Bootlegger had previously drawn attention at an all-terriers show held by seven major American breed clubs, where he was the top American bred dog.

Ch. Boxwood Barkentine, an Airedale Terrier, was the Best in Show at the 1922 Westminster Kennel Club Dog Show, the third occasion it was awarded to a member of that breed. It was the first show that Barkentine had been entered into as an adult.

Ch. Briergate Bright Beauty was an Airedale Terrier and the best in show winner at the 1919 Westminster Kennel Club Dog Show. She was bred by Mr. Davidson, owned by G. L. L. Davis of St. Louis, and at the show was handled by Alfred Delmont. Bright Beauty was an imported dog.

Ch. Clussexx Three D Grinchy Glee, better known as Stump, was a male Sussex Spaniel who won Best In Show at the 2009 Westminster Kennel Club Dog Show. Stump was the first of his breed to win that honor and, at 10 years old, the oldest dog ever to win the prize. He also won the Sporting Group at Westminster in 2004, the first such victory for his breed, and amassed 51 Best in Show awards throughout his career. One of his owners described him as "the most famous Sussex (Spaniel) that has ever lived".

Ch. Wycollar Boy was a Wire Fox Terrier who won best in show at the 1917 and 1920 Westminster Kennel Club Dog Show, in New York City. His owner was Mrs. Roy A. Rainey.

Ch. Efbe's Hidalgo At Goodspice, also known as Charmin, was a male Sealyham Terrier who was the Best in Show at the American Kennel Club National Championship in 2007, World Dog Show in 2008, and Crufts in 2009. He also won the Terrier Group at the Westminster Kennel Club dog show in 2008.

Ch. Haymarket Faultless was a male Bull Terrier who won best in show at the 1918 Westminster Kennel Club Dog Show. He was bred and owned by R.H. Elliot. Haymarket Fautless narrowly beat out a Pekingese, Phantom of Ashcroft. The show was so close that the referee had to be called in to decide the winner.

Ch. K-Run's Park Me In First, also known as Uno was a 15-inch (380 mm) beagle from Belleville, Illinois, who won Best in Show in the 2008 Westminster Kennel Club dog show. He was the first beagle to claim the top prize at Westminster and the first beagle to win the hound group since 1939.

Ch. Kenmare Sorceress (1909–1920), an Airedale Terrier, was the first of its breed to have won the Westminster Kennel Club Dog Show, in 1912. She was originally from Wales, but was imported into the United States by William P. Wolcott in September 1910.

Ch. Loteki Supernatural Being also known as Kirby, a Papillon, best known for being the only dog to have won all three major international dog shows in the same year and being the oldest winner of the Westminster Kennel Club Dog Show at eight years old, until his record was broken in 2009 by Clussexx Three D Grinchy Glee at ten years old.
Ch. Matford Vic (1912–??), a Wire Fox Terrier, best known for being one of only five dogs to have won the Westminster Kennel Club Dog Show on more than one occasion. She was originally purchased for the sum of £2 before changing hands twice prior to winning Best in Show at Westminster for the first time in 1915.

Ch. My Own Brucie was a male American Cocker Spaniel who was the Best in Show at the Westminster Kennel Club Dog Show in 1940 and 1941. He was sired by popular sire Red Brucie and died as a result of a kidney and liver ailment. Obituaries described him as the most photographed dog in the world.

Ch. Rancho Dobe's Storm also known as Storm or Stormie, a Doberman Pinscher, best known for being Best in Show at the Westminster Kennel Club Dog Show in both 1952 and 1953. He was the grandson of the 1939 champion, Ferry v. Rauhfelsen of Giralda. Born in California, he was sold to his New York-based owner Len Carey at the age of three months. At the age of sixteen months he won Best of Breed at his first adult dog show, something he would repeat in all 25 of the shows he was entered into, becoming undefeated in breed competition.
Ch. Rocky Top's Sundance Kid was a Bull Terrier who is best known for being the 2006 Best In Show winner at the Westminster Dog Showhandled by Kathy Kirk PHA. He is the first Colored Bull Terrier to win Best in Show at Westminster, with the only other victory for his breed going to a White Bull Terrier in 1918. He also won Best In Show at the National Dog show, and on retirement trained as a therapy dog. He is the most successful Colored Bull Terrier Show Dog of all time.

Ch. Sabine Rarebit was a best in show winner at the Westminster Kennel Club Dog Show in 1910. He was a Smooth-coated fox terrier considered to be "not only the best fox terrier out, but, in the opinion of many judges, the best ever bred."

Ch. Slumber was an Old English Sheepdog that won best in show at the Westminster Kennel Club Dog Show in 1914. He was owned by Ms. Taylor Vic and was "hands down" the winner of the show. Slumber's win in 1914 is credited with having promoted the popularity of the breed today.

Ch. Strathtay Prince Albert, a Bulldog, was the winner of the title of Best in Show at the Westminster Kennel Club Dog Show in 1913. He placed third at the show in 1914 and continued to appear at the competition for several years afterwards, winning Best of Breed on several more occasions.

Ch. Tashtins Lookin For Trouble, also known as Miss P, is a female beagle from Enderby, British Columbia and Milton, Ontario, who was named the 2015 Best In Show winner at the Westminster Kennel Club Dog Show. Miss P has 20 Best in Show wins in the United States, and was the second beagle to win Westminster's Best in Show after Uno, who is her great-uncle.

Ch. Tickle Em Jock (1908–??), a Scottish Terrier, was the first of his breed to win best-in-show at the Westminster Kennel Club Dog Show in 1911, the fifth occasion it was awarded. He was originally sold for a sum of only £2 to Andrew Albright, Jr. Mr Albright would go on to later say he wouldn't sell the dog for $5,000. Jock was also noted in the media of the time for biting a judge's wrist just after winning best of breed at a dog show.

Ch. Warren Remedy, (1905-1912), was a Best in Show winner of the Westminster Kennel Club Dog Show in 1907, 1908, and 1909. She was a Smooth-coated fox terrier owned by Winthrop Rutherfurd, and is the only dog to have won Westminster three years in a row.