The Turtle Bay Gardens Historic District is a collection of twenty rowhouses in the Turtle Bay neighborhood of Manhattan in New York City. They consist of eleven houses on the south side of 49th Street and nine on the north side of 48th Street, between Second and Third Avenues. The rowhouses, dating from the 1860s, were renovated between 1918 and 1920 by Charlotte Hunnewell Sorchan to plans by Clarence Dean.