| Acronym | Definition |
|---|
| JC | Jesus Christ |
| JC | Junction |
| JC | Jackie Chan (actor) |
| JC | Junior College |
| JC | Juicy Couture (retail clothing brand) |
| JC | Jockey Club (est. 1894; breed registry) |
| JC | Just Cause (gaming) |
| JC | Jim Carrey |
| JC | Johnny Cash |
| JC | Junction City (Kansas, USA) |
| JC | Jackson County |
| JC | Joint Commission |
| JC | Jimmy Carter |
| JC | John Cena (WWE Superstar) |
| JC | Joe Cocker (singer) |
| JC | Jamaica College (Kingston, Jamaica) |
| JC | Just Curious |
| JC | Jewel Case |
| JC | Julius Caesar |
| JC | Japan Cup (horse racing) |
| JC | Jewish Chronicle (UK) |
| JC | Johnson Controls |
| JC | John Carpenter (film director) |
| JC | Juniata College (Huntingdon, PA) |
| JC | Jedi Council (Star Wars) |
| JC | Johnny Carson |
| JC | Just Checking |
| JC | Jump Cancel (gaming) |
| JC | Job Corps |
| JC | Justin Chatwin (actor) |
| JC | Jay Chou (pianist) |
| JC | Job Control |
| JC | Julian Calendar (until 1582; in Russia until 1918) |
| JC | Jim Cornette (former WWE WWF manager) |
| JC | Jim Croce (singer) |
| JC | Just Chillin' |
| JC | Journal of Climate |
| JC | John Carmack (programmer of revolutionary 3D engines such as Doom and Quake) |
| JC | Judicial Commission |
| JC | Junior Counselor |
| JC | Joint Command |
| JC | Jake Cox (various companies) |
| JC | Just Chatting |
| JC | Joe Cartoon (website) |
| JC | Joint Compound (plumbing) |
| JC | Joint Control (power plants) |
| JC | Just Chilling |
| JC | Joshua Scott Chasez (NSYNC) |
| JC | Judicial Custody |
| JC | Jump If Carry Set |
| JC | Janeway & Chakotay (Star Trek characters) |
| JC | Jump Condition |
| JC | Jesse Custer (Preacher Comics character) |
| JC | Jump Comics (manga publication) |
| JC | Jump On Carry |
| JC | Joint Capabilities |
| JC | Junior Councilor (International Order of DeMolay) |
| JC | Jugend Club (German) |
| JC | Jeunes Cubains (French) |
| JC | Jump Commander |
| JC | Jordan/Campbell Co. |