Charles Fowler Singleton Jr., known as Charlie "Hoss" Singleton, was an American songwriter, best known for having co-written the lyrics for "Strangers in the Night" and "Moon Over Naples".

"Strangers in the Night" is a song composed by Bert Kaempfert with English lyrics by Charles Singleton and Eddie Snyder. Kaempfert originally used it under the title "Beddy Bye" as part of the instrumental score for the movie A Man Could Get Killed. The song was made famous in 1966 by Frank Sinatra.