FC Ulaanbaatar (Mongolian: ФС Улаанбаатар) is a professional football club based in Ulaanbaatar, Mongolia. The club currently competes in the Mongolian Premier League. It is a two-time champion of the league since its founding in 2010.

FC Ulaanbaatar was founded in 2010. They participated in the Mongolia Premier League for the first time the following season. That year, the club defeated Ulaanbaatar DS 1–0 in the championship final to win the title. Over the next decade, the club finished as runners-up in 2015, 2018, 2020 and 2021–22 before capturing their second title after twelve years in 2022–23 under head coach Vojislav Bralušić. That year, the club also won the MFF Cup for the first time to complete the double.

By virtue of their league championship in 2022–23, FC Ulaanbaatar earned the right to participate in continental competition for the first time. The team entered the 2023–24 AFC Cup and were placed into Group I with Macau's Chao Pak Kei and Taiwan Steel and Taichung Futuro of Taiwan. FC Ulaanbaatar won its first match in the competition, a 3 –1 victory over Taiwan Steel on 21 September 2023. With the win, FC Ulaanbaatar became the first Mongolian club to win a match in the final round of the AFC Cup. Ultimately, the club would fail to advance to the next round, being edged out by Taichung Futuro on goal-difference with both clubs sitting at twelve points.

  Champion   Runners-up   3rd Place

Scores list FC Ulaanbaatar’s goal tally first.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.