| OKK Šabac | |
| Color1: |
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| Color2: | Black |
| Color3: |
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| Leagues: | Second Regional League |
| History: | Mačva 1976–1977 OKK Šabac ??–1984 Zorka 1984–1992 Iva Unicom 1992–1994 Iva Omega 1994–1995 Iva Kormilo 1995–1996 Iva Zorka Pharma 1996–1999 OKK Šabac 1999–present |
| Arena: | Zorka Hall |
| Capacity: | 2,300 |
| Location: | Šabac, Serbia |
| Colors: | Black and Red |
| President: | Dragan Vuković[1] |
Omladinski košarkaški klub Šabac (Serbian: Омладински кошаркашки клуб Шабац), commonly referred to as OKK Šabac or simply Šabac, is a men's basketball club based in Šabac, Serbia. They are currently competing in the 4th-tier Second Regional League, West Division.