Posner is a surname of German origin, meaning "a person from the city of Posen", now Poznań in Poland. It is a fairly common surname among Ashkenazi Jews. Variants of the name are Posener and Pozner. Notable people with the surname include:
Aaron Posner, American playwright and stage director
Barry Posner (disambiguation), multiple people
Carl Posner (1854–1928), German urologist
David M. Posner (1947–2018), American rabbi
David Posner, fictional character in the Alan Bennett play The History Boys
Ed Posner (1933–1993), American information theorist and neural network researcher Elieser Posner (born 1937), American grain scientist Eric Posner (born 1965), American jurist and academic Ernst Posner (1892–1980), Prussian state archivist Gary H. Posner (born 1943), American chemist Geoff Posner (born 1949), British producer of television and radio comedy Gerald Posner (born 1954), American journalist Herbert A. Posner (born 1925), American politician Jerome B. Posner, American neurologist Kenneth Posner, American lighting designer Lindsay Posner (born 1959), British theatre director Michael Posner (disambiguation), multiple people Neal Pozner (1955–1994), sometimes credited as Neil Pozner, art director, editor, and writer known for his work in the comic book industry Rebecca Posner (1929–2018), British philologist, linguist and academic Richard Posner (born 1939), prominent American judge and jurist Ruth Posner (born 1933), Polish-born actress Sarah Posner, American journalist Seymour Posner (1925–1988), American politician Steven Posner (1943–2010), American corporate raider Tracy Posner (born 1962), American actress, animal rights rescuer and activist Trisha Posner, British non-fiction writer, wife of Gerald Posner Victor Posner (1918–2002), American entrepreneur, father of Tracy Vladimir Pozner (disambiguation), multiple people Walter Posner (born 1953), German football player Zalman I. Posner (1927–2014), American rabbi