Named after Sigmund Freud - Austrian psychoanalyst (1856-1939).
Freud is a tiny lunar crater that lies on a plateau within the Oceanus Procellarum, in the northwest part 's near side. It is located a few kilometers to the west of the Vallis Schröteri, a large, sinuous valley that begins to the north of the crater Herodotus, then meanders north, then northwest, and finally southwest, until it reaches the edge of the lunar mare. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.