Toni Nathaniel Harp (born August 6, 1947) is an American politician who served as the 50th Mayor of New Haven, Connecticut.

In 2007, Harp introduced a bill to have the state pay for free diapers for poor mothers.

[3] In Spring 2013, Harp announced her intention to run for Mayor of New Haven, a position long held by John DeStefano, Jr.[4] Harp won the election over her opponent, Justin Elicker, by 10,602 to 8,865 votes, or 54.46 percent to 45.54 percent.

She is the first woman and the second African American (after John C. Daniels) to serve as Mayor of New Haven.

[6] In April 2019, Harp announced that she would seek election to a fourth two-year term.