Airport Ust-Kut
- URL: Ust-Kut (UKX)
- Time zone: GMT 8
- Service telephone: +7 (3955) 5-03-31
- Address: Ust-Kut Airport, 666780 Ust-Kut, Irkutsk Oblast, Russia
- Operating company: JSC "Airport Ust-Kut"
- Flight distribution on the days of the week: Monday (21.15%), Tuesday (7.69%), Wednesday (21.15%), Thursday (15.38%), Friday (19.23%), Saturday (7.69%), Sunday (7.69%)
- Alternative spelling: Oust-Kout, Oest-Koet, Усть-Кут