Kitty has many meanings, generally separable into four categories.

• Kitty is an affectionate term for kitten, or a cat in general.
  • Kitty is frequently used as the name of a cat whose real name is unknown, or one without a name. Many owners even use the term with named cats.
  • "Here kitty kitty" is a common phrase taught to a cat, asking it to come to the caller. It often is used to tell the cat that it is feeding time, petting time, or time to go to the vet when the cat is reluctant to come.
  • Hello Kitty is a line of cute accessory products from the Japanese company Sanrio.
  • Kitty litter is the sand-like material used to fill litter boxes.

• Kitty is also a collection of money temporarily held until awarded to winners in a gambling event, as in a pool or poker pot. This sense is etymologically unrelated to kitten; it instead is derived from kit.

• Kitty is a female nickname, typically associated with Catherine and variants. Many real people and fictional characters use the name.
  • Kitty Carlisle Hart is an American singer, actress, and spokeswoman for the arts, perhaps most famous for her presence as a panelist on the game show To Tell the Truth.
  • Kitty Foreman is the fictional mother of the Foreman household in the American television show That '70s Show, played by Debra Jo Rupp .
  • Kitty Foyle: The Natural History of a Woman is a 1940 film.

• • Kitty is a 1927 novel by Warwick Deeping which was filmed and became the first British talkie in 1929.
  • Kitty is a 1945 film based on a book by Rosamond Marshall about the rise of a London guttersnipe to society lady. It starred Paulette Goddard in the title role.
  • Kitty Genovese was a New York City woman stabbed to death in 1964 among three dozen witnesses in a frequently studied criminal case.
  • Kitty Kelley is an American author, journalist and biographer.

• Many places and things contain the name Kitty.
  • Kitty Hawk is a town in Dare County, North Carolina, United States. It is famous for the first flight of the Wright Brothers.
  • The USS Kitty Hawk is an aircraft carrier in the United States Navy, still in active service.
  • "Kitty's Back" is the third song on the album The Wild, The Innocent and the E Street Shuffle by Bruce Springsteen and the E Street Band.
  • "Kitty" is a slang term for ketamine, an animal tranquilizer with hallucinogenic properties commonly used recreationally at clubs and "raves". It is usually snorted in small quantities, ie. taking "bumps".