Katzenellenbogen is the surname of a prominent Jewish family that originated from Katzenelnbogen, Germany. It may refer to:
Basil Kazen Ellenbogen (1917-1996), British Army officer and consultant physician (born Katzenellenbogen)
Ezekiel Katzenellenbogen, Polish-German rabbi
Gershon Ellenbogen (1917-2003), British barrister, author and Liberal Party politician (born Katzenellenbogen)
Meir ben Isaac Katzenellenbogen, Italian rabbi
Samuel Judah Katzenellenbogen, his son
Ostap Ortwin, whose real name was Ostap Katzenellenbogen, Polish journalist and literary critic
Tamara Katzenelenbogen, Russian architect
Eyran Katsenelenbogen, jazz pianist
in popular culture:
Gilly, Gilly, Ossenfeffer, Katzenellenbogen by the Sea, a 1954 popular song by Al Hoffman and Dick Manning
a fictional family in "Spectre Bridegroom," a short story by Washington Irving
Derivative forms of the original name include Katsenelenbogen, Ellenbogen, Elbogen, Nellen, Bogen, and Katz. See also: Katznelson.