Mansaku Itami (伊丹万作; real name Yoshitoyo Ikeuchi 池内義豊; 2 January 1900 – 21 September 1946[1]) was a Japanese film director and screenwriter known for his critical, sometimes satirical portraits of Japan and its history.

His most famous work is Akanishi Kakita, which is based on a story by Naoya Shiga and still survives (unlike many of his other films).

In 1937, he collaborated with director Arnold Fanck on a German-Japanese co-production, starring the young Setsuko Hara.

His screenplays' popularity endured, however, and he is credited as a writer as recently as 1986's Kokushi Muso, a remake of his 1932 film of the same name.

His son Yoshihiro Ikeuchi, who later changed his name to Juzo Itami, followed in his footsteps, becoming one of the pre-eminent Japanese filmmakers of the late 20th century.