Niwa Nagaakira | |
|---|---|
| 丹羽長祥 | |
 Niwa Nagaakira, portrait at temple of Dairin-ji, Nihonmatsu, Fukushima (CICP) | |
 8th Daimyō of Nihonmatsu Domain | |
| In office 1796–1813 | |
| Monarch | Shōgun |
| Preceded by | Niwa Nagayoshi |
| Succeeded by | Niwa Nagatomi |
| Personal details | |
| Born | November 18, 1780 |
| Died | September 19, 1813 (aged 32) |
| Spouse | daughter of Arima Yoritaka of Kurume Domain |
| Parent |
|
Niwa Nagaakira (丹羽長祥, November 18, 1780 – September 19, 1813) was an Edo period Japanese samurai, and the 8th daimyō of Nihonmatsu Domain in the Tōhoku region of Japan. He was the 11th hereditary chieftain of the Niwa clan. His courtesy title was Saikyō-no-daifu, and his Court rank was Junior Fourth Rank, Lower Grade.[1]