| Uno Piir | |
| Fullname: | Uno Piir |
| Birth Date: | 13 November 1929 |
| Birth Place: | Tallinn, Estonia |
| Position: | Midfielder |
| Years1: | 1949–1950 |
| Clubs1: | Dünamo |
| Years2: | 1954–1955 |
| Clubs2: | Tallinna Kalev |
| Manageryears1: | 1960–1961 |
| Managerclubs1: | Tallinna Kalev (assistant manager) |
| Manageryears2: | 1962–1989 |
| Managerclubs2: | Norma |
| Manageryears3: | 1990 |
| Managerclubs3: | Valkeakosken Koskenpojat |
| Manageryears4: | 1992–1993 |
| Managerclubs4: | Estonia |
| Manageryears5: | 1995–1996 |
| Managerclubs5: | Tallinna Sadam |
| Manageryears6: | 1997–2004 |
| Managerclubs6: | Nõmme Kalju |
Uno Piir (born 12 November 1929) is an Estonian football coach and former player. He was the first manager of the Estonia national football team after the Soviet occupation. In 1997, together with Anton Siht and Värner Lootsmann, he re-established the Nõmme Kalju football club and coached it until 2004.[1]