| Benito Díaz | |
| Fullname: | Don Benito Díaz Iraola |
| Birth Date: | 17 July 1898 |
| Birth Place: | San Sebastián, Spain |
| Death Place: | San Sebastián, Spain |
| Position: | Striker |
| Years2: | 1917–1927 |
| Clubs1: | Fortuna |
| Clubs2: | Real Sociedad |
| Manageryears1: | 1926–1930 |
| Manageryears2: | 1937–1942 |
| Manageryears3: | 1942–1951 |
| Manageryears4: | 1953–1954 |
| Managerclubs4: | Atlético Madrid |
Don Benito Díaz Iraola (17 July 1898 - 1 April 1990[1]) was a Spanish football manager and player.
He played mainly for Real Sociedad.
He coached Real Sociedad,[2] Bordeaux[3] and Atlético Madrid.