| Toshio Irie | |
| Fullname: | 入江 稔夫 |
| National Team: | Japan |
| Strokes: | Backstroke |
| Birth Date: | 5 November 1911 |
| Birth Place: | Takatsuki, Osaka, Japan |
Irie was born in Takatsuki, Osaka, and graduated from the Engineering Department of Waseda University. He finished fourth in the 100 m backstroke at the 1928 Summer Olympics. Later that year, on October 14, 1928, he set a new world record in the 200 m at 2 minutes 37.8 seconds. At the 1932 Summer Olympics, Irie won the silver medal in the 100 m backstroke, with teammates Masaji Kiyokawa and Kentaro Kawatsu taking the gold and bronze.