Jason Shawn Alexander or J. Alexander (born 1975) is an American painter, illustrator and draftsman from Portland, Tennessee.

Alexander has produced illustrations for Dark Horse Comics, Warner Brothers, DC Comics, Hasbro, White Wolf, Inc, and Dalmatian Press.

His creator-owned Empty Zone was published for years by Sirius Entertainment.

He also contributed to Poison Elves: Lusiphur and Linlith, also for Sirius Entertainment.

Alexander's work can be seen at Corey Helford Gallery in Los Angeles and 101/exhibit in Miami and New York.