McComas is a surname. Notable people with the surname include:
J.E. McComas, California State Senator, 1888 - 1892; California gubernatorial candidate, 1896Campbell McComas, an Australian comedian, writer, and actorDaniel F. McComas, a politician from North CarolinaDavid J. McComas, an American space scientistJames Douglas McComas, former president of three U.S. universities.J. Francis McComas, an American science fiction editorKendall "Breezy Brisbane" McComas, an American child actorLorissa McComas, an American nude modelLouis E. McComas, a politician from MarylandSee also:
Clan MacThomas, a Scottish clan of the McComases