Dyagilevo (also given as Dyagilevo, Ryazan Dyagilevo) is an air base in Ryazan Oblast, Russia, 3 km west of Ryazan. It serves as a training center for Russia's strategic bomber force.

The base is home to the 203rd Guards Orlovsky Independent Aircraft-refuelling Aviation Regiment with the Ilyushin Il-78/78M and the 49th Instructor Red Banner Heavy Bomber Aviation Regiment as part of the 43rd Guards Oryol Center for Combat Employment and Retraining of Long-Range Aviation Flight Personnel.

The Ryazan Museum of Long-Range Aviation is located on the base.