Cosby (surname)
Cosby is a surname. Notable people with the surname include:
- Alexander Cosby, Irish military officer
- Andrew Cosby, American comic book creator, film producer, and screenwriter
- Bill Cosby, American actor, comedian, and convicted sex offender
- Camille Cosby, American author and wife of Bill Cosby
- Dabney Cosby, American architect and builder
- Dudley Cosby, 1st Baron Sydney, Irish politician and diplomat
- Ennis Cosby, American student and son of Bill Cosby who was murdered in 1997
- Erika Cosby, artist and daughter of Bill Cosby
- Francis Cosby, English soldier and settler in Ireland
- George B. Cosby, Confederate States Army officer
- Gerry Cosby, American ice hockey player and businessman
- Henry Cosby, American songwriter and record producer
- Jessica Cosby, American hammer thrower
- Joseph Hathaway Cosby, American pastor, US Army chaplain, and the second President of Hargrave Military Academy
- Phillips Cosby, Royal Navy officer
- Quan Cosby, American football player
- Rita Cosby, TV reporter
- William Cosby, British nobleman and governor of the New York Colony