Wellman is a surname. Notable people with the surname include:
Arthur Holbrook Wellman, Massachusetts state senatorBarry Wellman, sociologistBela Wellman, California Gold Rush merchant and member of the San Francisco Vigilance CommitteeBrad Wellman Baseball Player of the 1980sGary Wellman American Football Player of the 1990sHarold Wellman (1909–1999), New Zealand geologistHarry R. Wellman president of the University of CaliforniaMac Wellman American playwrightManly Wade Wellman, American writer of fiction and non-fictionMichael Wellman, computer scientistPhillip Wellman, minor league baseball managerSamuel T. Wellman, American industrialist, steel magnate, and inventorThomas Wellman, Puritan colonist of the Massachusetts Bay ColonyWalter Wellman, American journalist, explorer, and aëronautWilliam A. Wellman, American film director