New York's 43rd State Senate district is one of 63 districts in the New York State Senate. It has been represented by Republican Jake Ashby since 2023.
District 43 covers all of Rensselaer County, most of Washington County and the northeast corner of Albany County.
The district overlaps with New York's 20th, and 21st congressional districts, and with the 102nd, 106th, 107th, 108th, 112th, and 113th districts of the New York State Assembly.