The Petit lac Wayagamac is located in the city of La Tuque, in Mauricie, in Quebec, in Canada.

According to Father G. Lemoine, the expression "waweia gamak" is akin to the Algonquin language, and means "at the round lake".

For father Joseph-Étienne Guinard, waiagamak, put for wawiagamaw, has the meaning of a round lake.

This name, in the form of Wayagamack was mentioned in 1876 in one of the reports of the surveyor Télésphore Chavigny De La Chevrotière.

[3] The toponym "Petit lac Wayagamac" was officially registered on December 5, 1968, in the Place Names Bank of the Commission de toponymie du Québec.