Trummer is a surname. Notable people with the surname include:
David Trummer (born 1994), Austrian mountain biker Klaus Trummer (born 1945), East German slalom canoeist Michael Trummer (born 1962), German slalom canoeist Olivia Trummer (born 1985), German jazz musician Simon Trummer (born 1989), Swiss racing driver Tim Trummer (born 2005), Austrian footballer Vincent Trummer (born 2000), Austrian footballer