Unicon may refer to:
- UNICON, the bi-annual unicycling world championships
- Unicon (programming language), a programming language descended from Icon
- Unicon (British science fiction convention), a series of British university-based science fiction conventions held 1980 through the present
- Unicon (Maryland science fiction convention), a series of science fiction conventions held in Maryland 1974 through 1989
- Unicon Roleplaying Convention, one of a set of role-playing conventions of Victoria, Australia