The Partido Lakas ng Masa (PLM; transl. "Party of the Laboring Masses") is a democratic socialist political party in the Philippines. Created in 2009, it includes as its affiliate the labor group Bukluran ng Manggagawang Pilipino and is Sanlakas' political party for purposes of contesting non-party-list elections. It is the umbrella group of various organizations such as Zone One Tondo Organization (ZOTO) and Kongreso ng Pagkakaisa ng Maralita ng Lungsod (KPML). The party fielded Leodegario "Ka Leody" de Guzman as its candidate for the 2022 presidential elections.