Udagawa (written: 宇田川 or 宇多川) is a Japanese surname. Notable people with the surname include:
- Hideko Udagawa, Japanese classical violinist
- Hiroshi Udagawa (宇田川 洋, born 1944), Japanese archaeologist and anthropologist
- Taeko Udagawa, Japanese anthropologist
- Udagawa Katsutarō (宇多川 勝太郎, 1939–1989), Japanese sumo wrestler
- Udagawa Yōan (宇田川 榕菴, 1798–1846), Japanese scholar of Western studies
See also
edit- 4632 Udagawa, a main-belt asteroid