is a small lunar
crater on the Mare Tranquillitatis
. It has a somewhat distorted appearance, having a slight protruding bulge in the northwest rim. The interior is somewhat irregular, with ridges and some slumped material. This crater lies across a ridge in the surface of the mare
This crater was previously designated as 'Jansen B' before being named by the IAU. The lava-flooded Jansen crater lies to the northeast.
The crater was named in 1979 in honour of the scientific contributions of the Nobel-winning French scientist Alexis Carrel.