Niwa clan
| Niwa clan 丹羽 | |
|---|---|
Niwa clan emblem | |
| Home province | Owari Province |
| Parent house | Kodama clan |
| Final ruler | Niwa Nagahiro |
| Founding year | Muromachi period |
| Ruled until | 1873 (Abolition of the han system) |
| Cadet branches | None |
The Niwa clan (丹羽氏, Niwa-shi) was a Japanese samurai clan of northern Honshū that claimed descent from Emperor Kanmu via Prince Yoshimine no Yasuo (785-80) and Kodama Koreyuki (d.1069).