| Clubname: | Postojna |
| Fullname: | Nogometni klub Postojna |
| Ground: | Postojna Sports Park |
| Pattern B1: | _blackstripes4_2 |
| Leftarm1: | 0858e3 |
| Body1: | 0858e3 |
| Rightarm1: | 0858e3 |
| Shorts1: | 0858e3 |
| Socks1: | 0858e3 |
| Leftarm2: | FF9900 |
| Body2: | FF9900 |
| Rightarm2: | FF9900 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
Nogometni klub Postojna (English: Postojna Football Club), 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.[1] In 2018, the club merged with NK Ankaran, forming NK Ankaran Postojna.[2]
Winners: 2015–16