New Hampshire's 13th State Senate district is one of 24 districts in the New Hampshire Senate.

It has been represented by Democrat Cindy Rosenwald since 2018, succeeding fellow Democrat Bette Lasky.

[3] District 13 is based in Nashua in Hillsborough County, including the city's 3rd, 4th, 6th, 7th, 8th, and 9th wards.

[4] It borders the state of Massachusetts.

At just under 16 square miles, it is the smallest Senate district in the state.