| Obdulio Diano | |
| Birth Date: | 27 October 1919 |
| Birth Place: | Bernal, Argentina |
| Death Place: | Mar del Plata, Argentina |
| Height: | 1.77 m |
| Position: | Goalkeeper |
| Years1: | 1939 |
| Clubs1: | Argentino de Quilmes |
| Caps1: | 2 |
| Goals1: | 0 |
| Years2: | 1940 |
| Clubs2: | Santiago National |
| Years3: | 1941–1943 |
| Clubs3: | Colo-Colo |
| Caps3: | 42 |
| Goals3: | 0 |
| Years4: | 1944–1952 |
| Clubs4: | Boca Juniors |
| Caps4: | 109 |
| Goals4: | 0 |
| Nationalyears1: | 1947 |
| Nationalteam1: | Argentina MNT |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Obdulio Diano (October 27, 1919 in Bernal, Argentina - February 19, 2007 in Mar del Plata, Argentina) is a former Argentine footballer who played for clubs of Argentine and Chile.
Colo-Colo
Boca Juniors
Argentina