Roger Slifer, American author, illustrator, screenwriter, and producer (b. 1954)
Roger Allen Slifer (; November 11, 1954 – March 30, 2015) was an American comic book writer, screenwriter, and television producer who co-created the character Lobo for DC Comics. Among the many comic-book series for which he wrote was DC's Omega Men for a run in the 1980s.

Slifer was the victim of a hit-and-run accident in 2012 that left him in institutional care until his death.