NK Mladost Petrinja is a Croatian soccer team based in the town of Petrinja. The club was founded in 1926 and has a rich history in Croatian football. The team plays their home matches at Stadion Mladost, which has a capacity of 2,000 spectators.

NK Mladost Petrinja competes in the lower divisions of Croatian football, but has a strong fan base and a proud tradition of developing young talent. The team's colors are blue and white, and their mascot is a lion.

The club has a strong community presence in Petrinja and is known for its commitment to youth development and grassroots football. NK Mladost Petrinja has a dedicated group of supporters who cheer on the team at every match, creating a vibrant and passionate atmosphere at Stadion Mladost.

Overall, NK Mladost Petrinja is a respected and well-loved club in Croatian football, with a bright future ahead as they continue to nurture and develop local talent.