Leonhard "Leo" Peukert (26 August 1885 – 6 January 1944) was a prolific German film actor and film director, appearing in more than a hundred and fifty productions between 1910 and his death in 1944. While occasionally he played a leading role in his early years, such as the comedy The Happy Journey (1924), he mostly appeared as a character actor. Peukert was also a film director, making eleven short and feature films during the silent era.

He was married to the actress Sabine Impekoven who appeared with him in several silent films.