Olga (Venus)

Russian first name.

Olga Fyodorovna Bergholz (Russian: О́льга Фёдоровна Бергго́льц; IPA: [ˈolʲɡə ˈfʲɵdərəvnə bʲɪrˈɡolʲts]; May 16 [O.S. May 3] 1910 – November 13, 1975) was a Soviet poet. She is most famous for her work on the Leningrad radio during the city's blockade, when she became the symbol of city's strength and determination. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On Venus they are named after deceased women who have made outstanding or fundamental contributions to their field (if over 20 km). If smaller common female first names are used.