The New South Wales Legislative Assembly is the lower house of the parliament of New South Wales in Australia. The upper house is the Legislative Council. Both sit at Parliament House in the state capital, Sydney. The Assembly has 93 members, each elected to a single-member constituency, known as seats. Voting is by the optional preferential system.

Members of the Legislative Assembly have the acronym MP after their names. Until 1990, the acronym "MLA" ( Member of the Legislative Assembly ) was used.