Kreutzer may refer to:
People
- Andrew L. Kreutzer (1863–1905), member of the Wisconsin State Senate
- Conradin Kreutzer (1780–1849), German composer and conductor
- Daniel Kreutzer (born 1979), German professional ice hockey forward
- Frank Kreutzer, former Major League Baseball pitcher.
- Idar Kreutzer (born 1962), a Norwegian CEO
- Joseph Kreutzer (1790–1840), German violinist, composer, and conductor
- Léon Charles François Kreutzer (1817–1868), French music critic, music historian, and composer
- Leonid Kreutzer (1884–1953), German classical pianist.
- Rodolphe Kreutzer (1766–1831), French violinist, teacher, conductor, and composer
- Samuel Kreutzer (1894–1971), Australian rugby player
- Volker Kreutzer, West German sprint canoer
- William Kreutzer, Jr. (born 1969), American soldier infamous for assassinating his commander and opening fire on his fellow soldiers at Fort Bragg
Other uses
- Kreutzer, a synonym for Kreuzer, a silver coin and unit of currency in Southern Germany, Austria and Switzerland
- Kreutzer Air Coach, an American-built light trimotor transport aircraft of the late 1920s
- Kreutzer Etudes, a set of works for solo violin composed by Rodolphe Kreutzer around 1796
See also
- Kreutz (disambiguation)
- Kreutzer Sonata (disambiguation)
- Kreuz (disambiguation)
- Kreuzer (disambiguation)