Messer is a surname. It may refer to:
People Alf Messer (1900–1947), English footballer Casey Messer (born 1983), 2007 Miss New Mexico USA Dale Messer (born 1937), American football player David Messer, 21st century Australian cartoonist Don Messer (1909–1973), Canadian musician, band leader and radio broadcaster, host of the television program Don Messer’s Jubilee Donald E. Messer (born 1941), American United Methodist theologian and author Erica Messer, 21st century American television writer, producer and story editor Frank Messer (1925–2001), American sportscaster Glenn Messer (1895–1995), American aviation pioneer Jonathan Messer (born 1976), Australian director Judy Messer (1933–2023), Australian conservationist Ken Messer (1931–2018), British painter Liesbeth Messer-Heijbroek (1914–2007), Dutch sculptor and medal maker Luke Messer (born 1969), American politician Mary Burt Messer (1881-1960), American educator, social worker, and writer Michael Messer (born 1956), English musician and record producer Robert Messer (1887–1918), Scottish footballer Sam Messer (born 1955), American painter Samuel Messer, birth name of American actor Robert Middleton (1911–1977) Sarah Messer (born 1966), American poet and author Sytia Messer, American basketball coach Thomas M. Messer (1920–2013), director of the Solomon R. Guggenheim Foundation 1961–1988
Fictional characters Danny Messer, on the television series CSI: NY