NK Dugo Selo is a Croatian football club competing in the Second NL, the third tier of Croatian football. Their home ground is the City Stadium in Dugo Selo, with a capacity of approximately 2,000 spectators. The club is known for its young squad, with an average age of around 24 years.

In the 2025/26 season, they achieved several significant victories, defeating Trnje away, Lučko and Grobničan at home, while suffering one of their heavier defeats against Kustošija. Their statistics show a disciplined team: 8 clean sheets, an average of 0.7 goals scored per match, and 2.6 yellow cards per game.

NK Dugo Selo relies exclusively on local players, with no foreigners on the team, making them special in Croatian football. Their philosophy is to build a competitive team for the future through youth development and discipline.