M105
M105 or M-105 may refer to:

Messier 105, an elliptical galaxy in the constellation Leo
M105, a 1½ ton US Army trailer
M-105 (Michigan highway), a former state highway in Michigan
Klimov M-105 aircraft engine
WWWM, a radio station in Cleveland, Ohio now known as WMJIIn athletics:

Masters athletics, an age group for athletes aged 35+