Jonesy may refer to:
Fictional characters:
- Jonesy of the HBO series Carnivàle
- Evan 'Jonesy' Jones of Australian police drama series Blue Heelers
- Gary Ambrose 'Jonesy' Jones of the Stephen King book Dreamcatcher and its film adaptation
- Jonesy Hecht of the musical film All That Jazz
- Jonesy, Nostromo ship cat in the sci-fi film Alien
- Jonesy Garcia of Canadian animated sitcom 6teen