Takehiro Sonohara (Japanese: 園原 健弘; born November 9, 1962, in Nagano Prefecture) is a retired male race walker from Japan. He competed for his native country at the 1992 Summer Olympics.
| 1983 | World Championships | Helsinki, Finland | 46th | 20 km | |
| 1987 | World Championships | Rome, Italy | 21st | 50 km | |
| 1991 | World Championships | Tokyo, Japan | 23rd | 50 km | |
| 1992 | Olympic Games | Barcelona, Spain | 22nd | 50 km |