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

Arthur Rosser (1864–1954), Welsh-born New Zealand builder, politician and trade unionist Bill Rosser (1927–2002), Aboriginal Australian author and activist who wrote about Palm Island, Queensland Celia Rosser (born 1930), Australian botanical illustrator Dois I. Rosser Jr. (1921–2019), American businessman Eric Franklin Rosser (born 1952), American former keyboardist and convicted child pornographer Hamish Rosser (born 1974), Australian drummer J. Allyn Rosser (born 1957), American poet J. Barkley Rosser (1907–1989), American logician and mathematician J. Barkley Rosser Jr. (1948–2023), American economist, son of the above Joseph Rosser (), American politician Khallifah Rosser (born 1995), American hurdler Mel Rosser (1901–1988), Welsh dual-code international rugby player Richard Rosser, Baron Rosser (born 1944), British former trade union leader and Labour politician Ronald E. Rosser (1929–2020), United States Army Medal of Honor recipient Susan Rosser, British biologist Tania Rosser (born 1978), New Zealand-born Irish rugby union player Thomas L. Rosser (1836–1910), American Civil War Confederate general and Spanish–American War United States Army brigadier general of volunteers

See also Martin Rossor, British clinical neurologist