Callahan is an Irish surname, anglicized from Ó Ceallacháin. Those bearing it include:
Contents
In military
John H. Callahan (1845–1914), Civil War soldier and Medal of Honor recipient
Lawrence Kingsley Callahan (1894–1977), American military aviator
In sports
Ben Callahan, baseball player
Bill Callahan (football coach), American football coach
Brett Callahan, American baseball player
Bryce Callahan, American football player
Gerry Callahan, sports writer
Henry Callahan, ultimate (frisbee) player
Jamie Callahan, American baseball player
Joe Callahan, American football player
Michael Callahan, American hockey player
Nixey Callahan, baseball player and manager
Ryan Callahan, hockey player
In politics and law
Bob Callahan (politician), Canadian politician
Consuelo Callahan, American judge
Deb Callahan, former president of the League of Conservation Voters
Dennis Callahan, ran in the 2006 Maryland county executive elections
Donald A. Callahan, 1938 Republican nominee for the U.S. Senate seat in Idaho
Ed Callahan, former Chairman of the National Credit Union Administration (NCUA)
James Yancy Callahan, former Delegate from the Oklahoma Territory to the U.S. House of Representatives
John B. Callahan, mayor of Bethlehem, Pennsylvania
Joseph R. Callahan (1892–1977), American politician, farmer, and businessman
Michael J. Callahan (New York politician) (1858–1902), American saloonkeeper and politician
Laura Callahan, former senior director at the U.S. Department of Homeland Security
Sonny Callahan, former member of the U.S. House of Representatives for Mobile, Alabama
Victor Callahan, American politician
In music
Bill Callahan (musician), American singer-songwriter
Mat Callahan, American musician, author, songwriter, activist, music producer and engineer
Sam Callahan, English singer
In show business
Bill Callahan (producer), producer and writer of Scrubs
John Callahan (actor), actor in All My Children
Noel Callahan, actor in Nickelodeon's Romeo!
Dennis Callahan, choreographer
Mars Callahan, actor, director, producer and writer
E. J. Callahan, actor, known for his roles in Wild Wild West (1999) and Friends
Others
Americus Callahan, American inventor
Daniel Callahan, American philosopher
David Callahan, American writer
Debra Callahan, American physicist
Gene Callahan
Harry Callahan (photographer), American photographer
Jason Callahan, former unidentified decedent
John Callahan (disambiguation)
John Ross Callahan, American dental researcher
Kenneth Callahan, American artist
North Callahan, American historian
William P. Callahan, American Roman Catholic bishop
As a given name
Callahan Bright, American football player
Callahan Walsh, son of television personality John Walsh
Calahan
Cody Calahan, Canadian filmmaker
Edward A. Calahan, American inventor
Harold Augustin Calahan, American Navy Lieutenant Commander
Sharon Calahan, American cinematographer
As a given name
Cal O'Reilly, Canadian ice hockey player
Calahan Skogman, American actor and athlete