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, and The Mamas & the Papas.