Ōmura clan
| Ōmura 大村氏 | |
|---|---|
The emblem (mon) of the Ōmura clan | |
| Home province | Fujiwara Clan |
| Titles | Kampaku Daijō-daijin |
| Founder | Ōmura Yoshiaki |
| Final ruler | Ōmura Sumihiro |
| Founding year | c. 1600 |
| Dissolution | c. 1871 |
The Ōmura clan (大村氏, Ōmura-shi) was a clan of samurai of Medieval Japan of the province of Hizen descended from Fujiwara no Sumitomo (died 941). The clan is notable for being the first daimyo family in Japan to convert to Christianity in 1562.