The Rural Municipality of Lansdowne is a former rural municipality (RM) in the Canadian province of Manitoba. It was originally incorporated as a rural municipality on December 22, 1883. It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the RM of Glenella to form the Municipality of Glenella – Lansdowne.
The former RM is located west of Lake Manitoba and northeast of the Town of Neepawa.
Coordinates: 50°17′04″N 99°15′20″W / 50.28444°N 99.25556°W