Drohan is a surname. Notable people with the surname include:
Eddie Drohan (1876–1938), Australian rules footballer Frank Drohan (1879–1953), Irish politician Ian Drohan (1932–2019), Australian rules footballer Kate Drohan (born 1973), American softball head coach and former collegiate player Shane Drohan (born 1999), American baseball player Tom Drohan (1887–1926), American baseball player