| Clubname: | Portorož Piran |
| Fullname: | Nogometni klub Portorož Piran |
| Nickname: | Gusarji (The Privateers) |
| Founded: | [1] |
| Ground: | Pod Obzidjem Stadium |
| Capacity: | 500 |
| Chrtitle: | President |
| League: | Littoral League |
| Season: | 2021–22 |
| Position: | Littoral League, 2nd |
| Pattern B1: | _red_stripes |
| Leftarm1: | 12127D |
| Body1: | 12127D |
| Rightarm1: | 12127D |
| Shorts1: | 12127D |
| Socks1: | 12127D |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | 12127D |
| Socks2: | FF0000 |
Nogometni klub Portorož Piran (English: Portorož Piran Football Club), commonly referred to as NK Portorož Piran or simply Portorož Piran, is a Slovenian football club from Piran. The club was founded in 1998.[1] The club is legally not considered to be the successor of NK Piran and the statistics and honours of the two clubs are kept separate by the Football Association of Slovenia.[1] They play their home games at Pod Obzidjem Stadium.
Winners: 2005–06, 2009–10[2]