Rokometni klub Koper (English: Koper Handball Club), commonly referred to as RK Koper or simply Koper, was a handball club from Koper, Slovenia. Koper played their home matches at Bonifika Hall. The team was dissolved in 2013 due to high financial debt. The team was also known as Cimos Koper due to sponsorship reasons. In 2013, a new club, named RD Koper 2013, was established.