Named after Johann Franz Encke - German mathematician, astronomer (1791-1865).
Encke is a lunar crater on the western edge of the Mare Insularum, to the south-southeast of the crater Kepler. The small crater Kunowsky lies to the east-southeast on the mare. The rim is low and somewhat polygonal in shape. The tiny craterlet Encke N lies across the western rim. (wikipedia entry)