Hans Joby (3 August 1884 – 30 April 1943) was an Austrian film actor. He appeared in 63 films between 1920 and 1944. He was also billed as "Captain John Peters", and often played aristocratic Prussian-types, memorably in Laurel and Hardy's silent short Double Whoopee. He was born in Kronstadt, Austria-Hungary (now Braşov, Romania) and died in Los Angeles, California.