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.

[3] In 2017, the club constructed an auxiliary training field at the cost of 5 million kuna which meets the highest European standards.

[4] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.