David Jon Gilmour ( GHIL-mor; born 6 March 1946) is an English guitarist, singer and songwriter who is a member of the rock band Pink Floyd. He joined in 1967, shortly before the departure of the founder member Syd Barrett. By the early 1980s, Pink Floyd had become one of the highest-selling and most acclaimed acts in music history. Following the departure of Roger Waters in 1985, Pink Floyd continued under Gilmour's leadership and released three more studio albums.

Gilmour has produced a variety of artists, such as the Dream Academy. He has released four solo studio albums: David Gilmour (1978), About Face (1984), On an Island (2006) and Rattle That Lock (2015). His fifth solo album, Luck and Strange, is scheduled for September 2024. He is also credited for bringing the singer-songwriter Kate Bush to public attention, paying for her early recordings and helping her find a record contract.

As a member of Pink Floyd, Gilmour was inducted into the US Rock and Roll Hall of Fame in 1996, and the UK Music Hall of Fame in 2005. In 2003, Gilmour was made a Commander of the Order of the British Empire (CBE). He received the award for Outstanding Contribution at the 2008 Q Awards. In 2023, Rolling Stone ranked him number 28 in their list of the greatest guitarists of all time. He was also voted number 36 in the greatest voices in rock by Planet Rock listeners in 2009.

Gilmour has taken part in projects related to issues including animal rights, environmentalism, homelessness, poverty, and human rights. He has married twice and is the father of eight children. His wife, the novelist Polly Samson, has contributed lyrics to many of his songs.