C. J. (given name)
C. J. is a given name or nickname and may refer to:
People
- CJ (rapper), American rapper
- C. J. Allen (disambiguation), multiple people
- C. J. Anderson, American football player
- CJ Bailey, American football player
- C. J. Beathard, American football quarterback
- C. J. Bott, New Zealander footballer
- C. J. Brewer (disambiguation), multiple people
- C. J. Carella, RPG author
- CJ Carr, American football player
- C. J. Chatham, American professional baseball player
- C. J. Cherryh, American writer of speculative fiction
- C. J. Culpepper, American baseball player
- C. J. de Mooi, British professional quizzer who appeared on BBC Television's Eggheads until 2012
- CJ Dippre, American football player
- C. J. Elleby, American basketball player in the Israeli Basketball Premier League
- C.J. Fite, American football player
- C. J. Gardner-Johnson, American football player
- C. J. Hicks, American football player
- C. J. Harris (disambiguation), multiple people
- CJ Hamilton, multiple people
- C. J. Hanson, American football player
- C. J. Henderson (disambiguation), multiple people
- CJ McCollum, American NBA basketball player
- C. J. McLaughlin, American racing driver
- C. J. Miles, American NBA basketball player
- C. J. Montes, American football player
- C. J. Moore, American football player
- C. J. Nitkowski, American baseball player
- C. J. Okoye, Nigerian American football player
- CJ Pearson, American journalist and political commentator
- C. J. Perry, American professional wrestling manager under the ring name Lana
- C. J. Ramone, stage name of Christopher Joseph Ward, best known for working as the bassist and sometimes vocalist of the Ramones
- C. J. Ravenell, American football player
- C. J. Reavis, American football player
- C. J. Sanders, American football player and former child actor
- C. J. Sanders (surveyor), Australian surveyor
- C. J. Saunders, American football player
- C. J. Snare, American vocalist and keyboardist of FireHouse
- CJ Stander, South African rugby player in Ireland
- C. J. Stroud, American football player
- C. J. Stubbs, American baseball player
- CJ Ujah, British sprinter
- C. J. Verdell, American football player
- C. J. Watson, American basketball player
- CJ West, American football player
- CJ Wildheart, guitarist/vocalist with the Wildhearts and Honeycrack
- C. J. Williams, American basketball player in the Israeli Basketball Premier League
Fictional characters
- C. J. Barnes, a fictional character on the television show 8 Simple Rules portrayed by David Spade
- C. J. Cregg, fictional character on the television show The West Wing
- Charles "C. J." Jefferson, a fictional character in The Fall and Rise of Reginald Perrin
- Carl "C. J." Johnson, fictional main character of the video game Grand Theft Auto: San Andreas
- C. J. Parker, fictional character on the television show Baywatch
- C. J., a character from the Cartoon Network animated series Regular Show
- Captain Jason "C.J." Stentley, police captain on the TV show ''Brooklyn Nine-Nine''