Shimazu Tadayoshi (2nd)
was a Japanese daimyō of the late Edo period, who ruled the Satsuma Domain as its 12th and final daimyō. During his tenure, much of the political power in Satsuma was held by his father, Hisamitsu.

Progeny
 Legal wife: Teruko, died in childbirth 1869
 Fusako (1869–1871)
 Second wife: Yasuko, died in childbirth 1879
 Tadataro (1879–1879)
 Third wife: Sumiko, died 1886
 Concubine: Sumako Yamazaki, 1850–1927
 12 children including 
 Chikako Shimazu (1879–1956) – wife of Prince Kuni Kuniyoshi, grandparents of the Heisei Emperor
 Naoko Shimazu married Tokugawa Iemasa
 Concubine: Ku Hishikari, died 1960
 5 children

Ancestry