Dorsa Mawson is a wrinkle ridge system at 7°00′S 53°00′E / 7.0°S 53.0°E / -7.0; 53.0 in Mare Fecunditatis on the Moon. It is approximately 143 km long and was named after Antarctic explorer Douglas Mawson in 1979 by the IAU.^[1]

The southern end of the ridge is located near Crozier M crater and southeast of ibn Battuta crater. It trends roughly northeast towards some unnamed craters between Lindbergh and Bilharz craters.