Mons Agnes is a hill (mountain) on the Moon, in Lacus Felicitatis, inside crater-like feature Ina, at . It has maximal width of approximately 650 m (the smallest of all named lunar mountains ar for 2014). Its height is more difficult to determine; from Apollo 15 images it was determined as about 30 m, but newer map, based on LRO photos, gives about 10 m.