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

Carlo Krahmer (1914–1976), British jazz drummer and record producer Holger Krahmer (born 1970), German politician and Member of the European Parliament with the Free Democratic Party of Germany Jello Krahmer (born 1995), German Greco-Roman wrestler

See also Carel Frederik Krahmer de Bichin (1787–1830), Dutch artillery officer Kramer (disambiguation)