Gallagher

Gallagher may refer to:

United States

 * Gallagher Township, Pennsylvania
 * Gallagher, West Virginia, an unincorporated place

People

 * Gallagher (surname)
 * Gallagher (comedian), stage name of Leo Anthony Gallagher Jr.
 * Gallagher family, Irish clan

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