Brosnan is a surname, derived from the Irish "Ó Brosnacháin," which may be derived from the place name Brosna in Kerry. Notable people with the surname include:Chris Brosnan, British film director, writer, and producer D. William Brosnan (1903-1985), American railroad executive Eoin Brosnan, Irish Gaelic football player Jim Brosnan (1929-2014), American baseball player John Brosnan (1947-2005), Australian author John Brosnan (soldier) (1846-1921), Irish soldier who fought in the American Civil War Patrick Brosnan, American mathematician Pierce Brosnan, Irish actor Sarah Brosnan, American ethologist Seán Brosnan (1916-1979), Irish barrister and politician Sean Brosnan (actor), American actor, son of actor Pierce Brosnan
