C.J. Is A Gender-neutral Name Of American Origin. C.J. Is Generally Used As An Abbreviation Of Two Given Names Beginning With The Letters C And J. This Adorable, Snappy Nickname Can Act As A Cute Catch-all For Those That Can’t Pick Just One Alias. C.J. Also Has A Prevalence In Pop Culture, With Recognizable Name Holders Ranging From WWE Superstar C.J. Perry To C.J. Cregg, One Of The Lead Characters From The TV Show The West Wing.