Toshio Irie (?? ??, November 5, 1911 – May 8, 1974) was a Japanese swimmer.
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.