Sheehan
Sheehan or Sheahan is from the Irish word síocháin, meaning peace. As a surname, it may refer to:
- Billy Sheehan, American rock bassist
- Bobby Sheehan , American rock bassist
- Cindy Sheehan, American anti-war politician and activist
- D. D. Sheehan, Irish politician, journalist, and labour leader
- Edward Sheehan, American journalist, diplomat and novelist
- Fran Sheehan, American rock bassist
- Frank Sheehan, Canadian politician
- Gary Sheehan, Canadian-Swiss ice hockey coach
- Harold Leeming Sheehan, British endocrinologist, for whom Sheehan's syndrome was named circa 1937
- Helena Sheehan, American-born Irish academic and former nun
- James J. Sheehan, American historian
- Jim Sheehan, Australian politician
- John Sheehan, various
- Michael J. Sheehan, World War II brigadier general
- Mark Sheehan, guitarist for The Script
- Michael Jarboe Sheehan, current archbishop of the Roman Catholic Archdiocese of Santa Fe
- Michael A. Sheehan, former Ambassador at Large for Counter-terrorism and Deputy Commissioner for Terrorism, New York Police Department
- Neil Sheehan, Pulitzer Prize-winning American journalist, husband of Susan Sheehan
- Paul Sheehan , Australian professional golfer
- Paul Sheehan , Australian journalist
- Patrick Augustine Sheehan, Irish Catholic clergyman and author
- P. A. Ó Síocháin, Irish journalist, lawyer, author, son of D. D. Sheehan
- Patty Sheehan, American golfer
- Rhian Sheehan, New Zealand music composer and producer
- Robert Sheehan, Irish actor
- Ryan Sheehan, Engineer
- Samantha Sheehan, American artistic gymnast
- Susan Sheehan, Pulitzer Prize-winning American author, wife of Neil Sheehan
- Tom Sheehan, American pitcher, scout and manager
- Tom Sheehan , Australian politician
- Thomas Sheehan , American philosopher
- Timothy P. Sheehan, American Congressman
- William F. Sheehan, American politician
- Winfield R. Sheehan, American film producer and executive, Fox Studios chief of production 1927–1935