| Sport: | Diving |
| Birth Date: | 28 April 1913 |
| Birth Place: | Fukuoka, Japan |
| Death Date: | January 1946 (aged 32) |
| Death Place: | Shenyang, China |
was a Japanese diver. She competed at the 1936 Summer Olympics and finished sixth in the 3 m springboard and 14th in the 10 m platform competition. Her sister Reiko Ōsawa also competed at the 1936 Summer Olympics.
During World War II Ōsawa served in the Japanese Army as a nurse and died of an illness six months after the end of military operations in Northern China.