Peter William Ham (27 April 1947 – 24 April 1975) was a Welsh singer, songwriter and guitarist best known as a lead vocalist of and composer for the 1970s rock band Badfinger, whose hit songs include "No Matter What", "Day After Day" and "Baby Blue". He also co-wrote the ballad "Without You", a worldwide number-one hit for Harry Nilsson that has become a standard covered by hundreds of artists. Ham was granted two Ivor Novello Awards related to the song in 1973.
