The Socialist Equality Party (SEP) is an unregistered Trotskyist political party in Australia. The SEP was established in 2010 as the successor party to the Socialist Labour League, which was founded in 1972 as the Australian section of the International Committee of the Fourth International (ICFI).
According to its 2019 election statement, the party calls for the nationalisation of all major industries and opposes inequality, the MeToo movement, and trade unions.
As of February 2022, the party is still active, though it was deregistered by the Australian Electoral Commission (AEC) due to a lack of members.
In elections, the party's strongest state has historically been New South Wales. Demographically, the party is stronger with younger voters.
In the 2016 federal election the Socialist Equality Party fielded two senate candidates in each of New South Wales, Queensland and Victoria, two candidates in New South Wales for the House of Representatives and one in Victoria for the seat of Wills, which also had a Socialist Alliance candidate.