New York's 64th State Assembly district is one of the 150 districts in the New York State Assembly.

It has been represented by Staten Island Republican Party chair Michael Tannousis since 2021, succeeding Nicole Malliotakis.

District 64 consists of a portion of Bay Ridge in Brooklyn and communities on the eastern shore of Staten Island, including Grasmere, New Dorp, Oakwood, Old Town, Dongan Hills and South Beach.

The district overlaps (partially) with New York's 10th and 11th congressional districts, the 17th, 23rd, 24th and 26th districts of the New York State Senate, and the 47th, 49th, 50th and 51st districts of the New York City Council.