Yasujirō Shimazu (島津 保次郎, Shimazu Yasujirō, 3 June 1897 – 18 September 1945) was a Japanese film director and screenwriter, and a pioneer of the shōshimin-eiga (common people drama) genre at the Shōchiku studios in pre-World War II Japan.

Shimazu was born in Tokyo, the second son of merchant Otojirō Shimazu. His father owned a long-established seaweed business named Kōshū-ya directly in front of the main Mitsukoshi department store in Nihonbashi.