1965–66 Yugoslav First League
| Season | 1965–66 |
|---|---|
| Dates | 15 August 1965 – 19 June 1966 |
| Champions | Vojvodina (1st title) |
| Relegated | Radnički Belgrade Trešnjevka |
| European Cup | Vojvodina |
| Cup Winners' Cup | OFK Belgrade |
| Inter-Cities Fairs Cup | Dinamo Zagreb Red Star Belgrade Olimpija Ljubljana |
| Top goalscorer | Petar Nadoveza (21) |
← 1964–65 1966–67 → | |
The 1965–66 Yugoslav First League season was the 20th season of the First Federal League (Serbo-Croatian: Prva savezna liga), the top level association football league of SFR Yugoslavia, since its establishment in 1946. Sixteen teams contested the competition, with Vojvodina winning their first national title.