Ludger Desmarais was a Canadian professional ice hockey defenceman.
Desmarais played for the Pittsburgh Shamrocks of the International Hockey League.
He also spent much of his playing time in the Canadian-American Hockey League with the Springfield Indians, Boston Tigers, Providence Reds and the Philadelphia Arrows.
He finished his career playing in the American Hockey Association with the Wichita Skyhawks and the Kansas City Greyhounds.
This biographical article relating to a Canadian ice hockey defenceman born in the 1900s is a stub.