| Clubname: | OK Niš |
| Fullname: | Odbojkaški Klub Niš |
| Founded: | 1972 |
| Ground: | SC Čair |
| Capacity: | 4,000 |
| Chairman: |  Milan Pešić |
| Manager: | Dragan Svetozarević |
| League: | Wiener Staditsche Superliga |
| Season: | 2019/2020 |
| Position: | 2 |
| Website: | http://oknis.co.rs/ |
| Pattern B1: | _whitecollar |
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| Rightarm1: | 0000FF |
| Shorts1: | FFFFFF |
| Pattern B2: | _bluecollar |
| Leftarm2: | 0000FF |
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| Rightarm2: | 0000FF |
| Shorts2: | 0000FF |
Volleyball club Niš (Serbian: Odbojkaški klub Niš), is a professional volleyball team based in Niš, Serbia. It plays in the Serbian volley league.
Volleyball club Niš (OK Niš) is a successor team of a former volleyball club Student Niš. The club was founded on 24.06.1972. and during that time, the team was a competitor of lower Serbian leagues. Games and practices were conducted at the basketball club Radnički outdoor court, until 1973, when "22. December" Hall was opened.
In the season 1975-1976, volleyball club Niš (volleyball club Student, at the time) won title of 2nd league East champion, and played in promotion play-offs with the winner of the 2nd league South, Rabotnički Skopje. Student won that play-off game with 3-1, and was promoted into the 1st league of Yugoslavia. It was the club's biggest achievement until promotion to Wiener Staditsche Superliga in 2014-2015 season.
Club name was officially changed in 1997.
Club's web page: http://oknis.co.rs/