Flannigan is a common Irish surname, and may refer to:
People Allen J. Flannigan, American politician Iain Flannigan, Scottish professional footballer Katherine Flannigan, Scottish murderer Katherine Mary Flannigan, Irish American immigrant and novelist Maureen Flannigan, American actress Richard C. Flannigan, American jurist Tracy Flannigan, independent film maker
Fictional characters Blair Flannigan, a fictional character in the Yu-Gi-Oh! GX anime series Jezzie Flannigan, a fictional character in the James Patterson novel Along Came a Spider
Places Flannigan Township, Hamilton County, Illinois South Flannigan Township, Hamilton County, Illinois
See also Flanigan Flannagan (disambiguation) Flanagan (disambiguation)