P. F. Sloan (born Philip Gary Schlein, September 18, 1945, in New York City) is an American pop-rock singer and songwriter. He was very successful during the mid-1960s, writing, performing, and producing Billboard top 20 hits for artists such as Barry McGuire, the Searchers, Jan and Dean, Herman's Hermits, Johnny Rivers, the Grass Roots, the Turtles and the Mamas & the Papas.