Krämer (transliterated Kraemer or infrequently Kreamer) is a German surname, originating from the Austrian term for "merchant". It may refer to:
Ado Kraemer (1898–1972), German chess player
Alexander Krämer (born 1952), German scientist, professor of public health at Bielefeld University
Bernd Krämer (born 1947), German computer scientist
Bob Kraemer (born 1950), former Canadian Football League player
Clementine Krämer (1873–1942), German writer and Jewish activist
Franz Kraemer (1914–1999), Canadian radio producer
Gudrun Krämer (born 1953), German scholar of Islamic history
Jacob Kraemer (born 1990), Canadian actor
Johann Victor Krämer (1861–1949), Austrian painter and photographer
John Krämer, Carthusian writer of the fifteenth century
Joe Kraemer (born 1964), former Major League Baseball pitcher
Joe Kraemer (born 1971), American film score composer
Josef Krämer (1878–1954), German gymnast, track and field athlete, and tug of war competitor
Ingrid Krämer (born 1943), East German diver
Ludwig Krämer (born 1939), legal figure in the development of environmental law
Michael Krämer (born 1985), German footballer
Moritz Krämer (born 1980), Swiss singer-songwriter
Nicholas Kraemer (born 1945), British harpsichordist and conductor
Otto Maria Krämer (born 1964), German church musician
Samuel Kraemer (1857–1937), American rancher, farmer, and businessman
Stefan Krämer (born 1967), German football coach
Walter Krämer (born 1948), German economist
Werner Krämer (1940–2010), West German international footballer
