Geoghan is a surname. Notable people with the surname include:

• Jim Geoghan, American television producer

• John Geoghan (1935–2003), key figure in the Roman Catholic sex abuse cases in Boston, Massachusetts in the 1990s and 2000s

• Lisa Geoghan (b. 1967), British actress best known for playing PC/CAD Officer Polly Page on The Bill

See also

• Cogan

• Coogan

• Geoghegan

• Keoghan