Labor Progressive Party, a former name of the Communist party in Canada.
- 1944  Since the membership of any union is neither all Liberal, CCF, Social Credit, nor LPP, it is clear that the work of a political action committee, serving the best interests of the whole membership, must be based upon the advancement of progressive policies of social and economic reconstruction, rather than upon parties.
- 1957  The eclipse of the LPP is credited to prosperity by most of the Strip's citizens. . . .