Nogometni klub Postojna (), commonly referred to as NK Postojna or simply Postojna, was a Slovenian football club from Postojna. The club was founded in 1999 and is legally not considered to be the successor of the old NK Postojna. In 2018, the club merged with NK Ankaran, forming NK Ankaran Postojna. Honours Littoral League (fourth tier) Winners: 2015–16 References Association football clubs established in 1999 Association football clubs disestablished in 2018 Defunct football clubs in Slovenia 1999 establishments in Slovenia 2018 disestablishments in Slovenia