|Diameter||173 km (107 mi)|
|Eponym||Alfred Russel Wallace|
Wallace is an impact crater in the Hellas quadrangle on Mars at 52.9°S and 249.4°W. It is 173 km (107 mi) in diameter. Its name was approved in 1973 by the International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN), and refers to British biologist Alfred Russel Wallace.