| Alberto Martínez | |
| Fullname: | Alberto Ariel Martínez Piriz |
| Birth Date: | 30 July 1950 |
| Birth Place: | Rocha, Uruguay |
| Death Date: | 1 December 2009 (aged 59) |
| Death Place: | Uruguay |
| Position: | Midfielder |
| Years1: | 1970–1973 |
| Years2: | 1973–1978 |
| Years3: | 1978–1979 |
| Years4: | 1979–1980 |
| Years5: | 1980–1982 |
| Years6: | 1982–1983 |
| Years7: | 1983–1985 |
| Clubs1: | Peñarol |
| Clubs2: | Austria Vienna |
| Clubs3: | Wiener SK |
| Clubs4: | VOEST Linz |
| Clubs5: | Wiener SK |
| Clubs6: | Las Palmas |
| Clubs7: | Favoritner AC |
| Caps2: | 144 |
| Goals2: | 26 |
| Caps3: | 54 |
| Goals3: | 22 |
| Caps4: | 18 |
| Goals4: | 5 |
| Caps5: | 65 |
| Goals5: | 20 |
| Caps6: | 28 |
| Goals6: | 3 |
| Caps7: | 57 |
| Goals7: | 12 |
Alberto Ariel Martínez Piriz (30 July 1950 – 1 December 2009) was an Uruguayan professional footballer who played in Austria for Austria Vienna.
Martínez, who played as a midfielder, participated in the 1978 European Cup Winners' Cup Final for Austria Vienna.[1] Martínez died on 1 December 2009 of heart failure, at the age of 59.[2]
Martínez held Austrian citizenship. His son is the footballer Sebastián Martínez who obtained two international caps for Austria.[3]