Louis B. "Papa" Lausier (November 17, 1879 - January 14, 1962) was a Maine politician. Lausier was born in 1879 in Biddeford to Antoine and Aurilie (Cartier) Lausier. He studied at the in Quebec before returning to Biddeford to study law under Maine Supreme Judicial Court Justice . He passed the Maine bar in 1906 and entered Biddeford municipal government, holding the positions of city auditor, municipal judge and alderman. A Democrat, Lausier represented Biddeford, Maine in the Maine House of Representatives from 1919-20 and 1925–26. Lausier was a delegate to the Democratic National Convention in 1940 and 1948. In 1948, Lausier sought and received his party's nomination for Governor of Maine. He lost to Republican Frederick G. Payne, gaining 34% of the vote. Lausier served as mayor of Bi