Laurence David Kramer (June 25, 1935May 27, 2020) was an American playwright, author, film producer, public health advocate, and gay rights activist.

(March 25, 1928 – March 27, 2012) an American art critic and essayist.

John Albert Kramer (August 1, 1921 – September 12, 2009) was an American tennis player of the 1940s and 1950s, and a pioneer promoter who helped drive the sport towards professionalism at the elite level.

(born November 3, 1945) a Philadelphia-born jazz pianist, composer, arranger, and producer/engineer.

(June 22, 1939 – November 10, 1999) an American film director, screenwriter, and actor who directed 19 films between 1965 and 1999, most of them political cinema made from a left-wing point of view.

(10 November 1906 – 13 December 1945) a and the Commandant of Auschwitz-Birkenau (from 8 May 1944 to 25 November 1944) and of the Bergen-Belsen concentration camp (from December 1944 to its liberation on 15 April 1945).

(born 27 June 1951) a South African singer, songwriter, playwright and director, notable for his musicals about the Coloured communities in the Cape, and for his early opposition to apartheid.

an Austrian social realist painter, a follower of psychoanalytic theory and an art therapy pioneer.

Jacob Kramer (26 December 1892 – 4 February 1962)Oxford Dictionary of National Biography was a Russian Empire-born painter who spent all of his working life in England.

an American pianist.

Cosmo Kramer, usually referred to simply by his surname, is a fictional character in the American television sitcom Seinfeld played by Michael Richards.