Udagawa (written: or ) is a Japanese surname. Notable people with the surname include:
Hideko Udagawa, Japanese classical violinist , Japanese archaeologist and anthropologist Taeko Udagawa, Japanese anthropologist , Japanese sumo wrestler , Japanese scholar of Western studies
Fictional characters , a character in the media franchise BanG Dream! , a character in the media franchise BanG Dream!
See also 4632 Udagawa, a main-belt asteroid