Arima Harunobu | |
|---|---|
| 有馬 晴信 | |
| Head of Hizen-Arima clan | |
| In office 1571–1612 | |
| Preceded by | Arima Yoshisada |
| Succeeded by | Arima Naozumi |
| Daimyo of Shimabara | |
| In office 1600–1612 | |
| Succeeded by | Arima Naozumi |
| Personal details | |
| Born | 1567 Hinoe Castle, Japan |
| Died | June 5, 1612 Kai Province |
| Military service | |
| Allegiance | Arima clan Ryuzoji clan Shimazu clan Toyotomi clan Eastern Army Tokugawa Shogunate |
| Rank | Daimyo |
| Battles/wars | Battle of Okitanawate (1584) Kyushu Campaign (1587) Korean campaign (1592) Sekigahara Campaign (1600) Okamoto Daihachi incident (1612) |
Arima Harunobu (有馬 晴信, 1567 – June 5, 1612) was a Japanese samurai lord who was the daimyo of Shimabara Domain and the head of the Hizen-Arima clan from Hizen Province. In his early years, he was a retainer of Ryūzōji clan.