| Leonid Ostrovski | |
| Fullname: | Leonid Alfonsovich Ostrovski |
| Birth Date: | 17 January 1936 |
| Birth Place: | Riga, Latvia |
| Death Place: | Kyiv, Ukraine |
| Position: | Defender |
| Youthclubs1: | VEF Rīga |
| Youthclubs2: | FK Daugava Rīga |
| Years1: | 1954–1955 |
| Clubs1: | FK Daugava Rīga |
| Years2: | 1956–1962 |
| Clubs2: | FC Torpedo Moscow |
| Years3: | 1963–1968 |
| Clubs3: | FC Dynamo Kyiv |
| Years4: | 1970 |
| Clubs4: | FC Mashuk Pyatigorsk |
| Nationalyears1: | 1958–1966 |
| Nationalteam1: | Soviet Union |
| Nationalyears2: | 1966 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1971 |
| Managerclubs1: | FC Dnipro Cherkasy |
| Manageryears2: | 1974 |
| Managerclubs2: | FC Start Chuhuiv |
| Manageryears3: | 1975–1976 |
| Managerclubs3: | Skury Tsalenjikha |
Leonid Alfonsovich Ostrovski (Russian: Леонид Альфонсович Островский, Ukrainian: Леонід Альфонсович Островський, Latvian: Leonīds Ostrovskis; 17 January 1936 in Riga – 17 April 2001 in Kyiv) was a Soviet football player and manager of Jewish origin.[1]
Ostrovski made his debut for the national team on 18 November 1961 in a friendly against Argentina (he was selected for the 1958 FIFA World Cup squad, but did not play in any games at the tournament).
He played in two World Cups: 1962 and 1966. He was the only footballer from Latvia for the Soviet Union in the World Cups.