Ob Jezeru City Stadium (Slovene: 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.

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.