Gallagher may refer to: Places United States Gallagher Township, Pennsylvania Gallagher, West Virginia, an unincorporated place People Gallagher (comedian) (1946–2022), American stand-up comedian Gallagher (surname) Fictional characters Mary Katherine Gallagher, fictional Saturday Night Live character The Gallagher family, from Shameless Other Arthur J. Gallagher & Co., American insurance brokerage The Gallagher Index, in political science The Gallagher Group (UK), construction and quarrying firm "Gallagher" (Space Ghost Coast to Coast), a television episode See also Gallager (disambiguation) Gallaher (disambiguation) Gallacher Goligher Justice Gallagher (disambiguation)