Jonas

Jonas could refer to:
 * People:
 * Jonas (Professor), a professor on a Federation archeological team in 2366
 * Jonas (Doctor), a doctor aboard the USS Enterprise-D in 2368
 * Jonas (Ensign), an ensign on Deep Space 9 in 2369
 * Jonas Abidah, an alias used by Bael Nomine in the 2370s
 * Jonas Elley, a political candidate in the 2270s
 * Michael Jonas, a member of the Maquis in the early 2370s