Third Avenue is a thoroughfare in Manhattan and the Bronx, in New York City.
Third Avenue, 3rd Avenue or 3 Av may also refer to:
Third Avenue (Brooklyn), a thoroughfare in Brooklyn, New York City 3rd Avenue (Filipino band) 3rd Avenue (American band) Third Avenue (album), by Fredo, 2019 Third Avenue (film), a 2021 Nigerian comedy 3 Av, the third day of Av, the fifth month of the Hebrew calendar
See also or or 3rd Street (disambiguation) Third Avenue Bridge (disambiguation) Third Avenue Historic District (disambiguation) Third Avenue station (disambiguation) Third Avenue Railway, a former street railway company in Manhattan and the Bronx IRT Third Avenue Line, a former elevated railway line in Manhattan and the Bronx BMT Third Avenue Line, a former elevated railway line in Brooklyn Third and Lexington Avenues Line, a bus line