| Stadium Name: | Ob Jezeru |
| Fullname: | Mestni stadion Ob jezeru |
| Location: | Velenje, Slovenia |
| Coordinates: | 46.3728°N 15.1042°W |
| Built: | 1955 |
| Renovated: | 1992, 1998,[1] 2010[2] |
| Owner: | City Municipality of Velenje |
| Operator: | Športno rekreacijski zavod Rdeča dvorana |
| Tenants: | NK Rudar Velenje |
| Seating Capacity: | 1,864 |
Ob Jezeru City Stadium (Slovenian: Mestni stadion Ob jezeru; literally 'Lakeside City Stadium') is a multi-use stadium in Velenje, Slovenia. It is used mostly for football matches and is the home ground of NK Rudar Velenje. The stadium is also used for athletics. Built in 1955,[3] it was renovated in 1992 when a covered grandstand was built. In 1998, the stadium received floodlights. It has a capacity for 1,864 spectators.[3]