| Birth Date: | 1918 12, df=yes |
| Birth Place: | Kakegawa, Shizuoka, Japan |
| Sport: | Swimming |
| Alma Mater: | Rikkyo University |
| Show-Medals: | yes |
was a Japanese former freestyle swimmer who won two medals at the 1936 Summer Olympics.
Uto endured much hardship after World War II and deposited both his medals to a pawnshop to get some money for living. He later found a job in general affairs at the Niigata Nippo company. After retiring he moved to Chiba Prefecture to do agriculture.