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

David Moher (born 1957), Irish epidemiologist Frank Moher (born 1955), Canadian playwright, theatre director, and journalist Gayle Moher (born 1957), British-American professional bodybuilder James Moher, British trade unionist John Moher (1909–1985), Irish Fianna Fáil politician, auctioneer and farmer Mike Moher (born 1962), Canadian professional ice hockey right winger