Ewen

Lat: 7.7°N, Long: 121.4°E, Diam: 3 km, Depth: km, Rükl: (farside)

Apollo AS16-M-2705 This intensely-mapped area between Ibn Firnas and Ostwald includes IAU-approved minor feature names Melissa, Kasper, Carol, Ewen, Shahinaz and Romeo.

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Gaelic male name.
The name Ewen seems to be related to Ewen A. Whitaker, author of Mapping and Naming the Moon; a history of lunar cartography and nomenclature.
According to NASA RP-1097, "Ewen" is a Minor Feature whose name was originally intended only for use in connection with Topophotomap 65C1/S2(on which it is plotted).