Leon Askin (German pronunciation: [ˈleːɔn ˈaskin] ⓘ; born Leo Aschkenasy, 18 September 1907 – 3 June 2005) was an Austrian actor best known in North America for portraying the character General Burkhalter on the TV situation comedy Hogan's Heroes.

Askin was born into a Jewish family in Vienna, the son of Malvine (Susman) and Samuel Aschkenasy (both of whom were later murdered in a German concentration camp).

After the war, he went to Hollywood to begin a career in films, invariably portraying foreign characters who speak English with a strong accent.

Askin appeared as the Russian composer Anton Rubinstein in a Disneyland anthology episode of the life of Peter Tchaikovsky.

as Roquelinm and in the "Fiddler in the House" episode of the 1974 situation comedy Paul Sand in Friends and Lovers as a violin virtuoso.