Shimazu is a Japanese surname. Notable people with the surname include:
- Esther Shimazu (born 1957), American/Hawaiian sculptor
- Saeko Shimazu (born 1959), Japanese voice actress
- Shimazu clan, daimyÃ
 of the Satsuma han
- Shimazu Hisamitsu (1817-1887), Japanese samurai prince
- Shimazu Katsuhisa (1503-1573), the fourteenth head of the Shimazu clan
- Shimazu Nariakira (1809-1858), Japanese feudal lord (daimyÃ
Â)
- , Japanese footballer
- Shimazu Tadahisa (died 1227), founder of the Shimazu clan
- Shimazu Tadatsune (1576-1638), Tozama daimyÃ
 of Satsuma
- Shimazu Tadayoshi (1493-1568), daimyÃ
 (feudal lord) of Satsuma
- Shimazu Takahisa (1514-1571), daimyÃ
 during Japan's Sengoku period
- Shimazu Toshihisa (1537-1592), senior retainer to the Shimazu clan
- Shimazu Yoshihiro (1535-1619), general of the Shimazu clan
- Shimazu Yoshihisa (1533-1611), daimyÃ
 of Satsuma
- Takako Shimazu (born 1939), Japanese princess
- YasujirÃ
 Shimazu (1897âÂÂ1945), Japanese film director