| Clubname: | NK Trnje |
| Fullname: | NK Trnje Zagreb |
| Ground: | SC Trnje |
| Capacity: | 1,000 |
| Chairman: | Jakov Sivrić |
| Manager: | Senad Harambašić |
| League: | Second League (III) |
| Position: | TBA |
| Leftarm1: | 0247FE |
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| Rightarm1: | 0247FE |
| Shorts1: | 0247FE |
| Socks1: | 0247FE |
| Leftarm2: | FFFFFF |
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| Website: | http://www.nktrnje.com |
NK Trnje is a Croatian football club based in the city of Zagreb, founded in 1924. They currently play in the Treća HNL, the third division of Croatian football.
NK Trnje won the 2000-01 Treća HNL championship by six points, gaining promotion to the 2. HNL.[1] However they finished 15th in their only season in the second division and were relegated.[2]
Their home stadium was built in 1980.[3]
In 2017, the club constructed an auxiliary training field at the cost of 5 million kuna which meets the highest European standards.[4]