Stillman \s-till-man, st(il)-lman\ as a boy's name is of Middle English origin, and the meaning of Stillman is "fisherman". In Middle English, a still was a type of fish trap. However, this surname may have been given to a quiet person. Filmmaker Whit Stillman.

Similar baby names are Tillman, Salman, Soloman, Solaman, Steadman, Stedman and Tilman.