David Seely, 4th Baron Mottistone

Captain David Peter Seely, 4th Baron Mottistone CBE KStJ (b. December 16, 1920) is a British peer.

Seely was born in 1920, the eldest son of the 1st Baron Mottistone from his second marriage and was baptised with Winston Churchill and the then Duke of Cornwall (subsequently Edward VIII, and then later HRH Duke of Windsor) as his godparents.

He was Lord Lieutenant of the Isle of Wight from 1985 to 1995 and the last Governor of the Isle of Wight from 1992 to 1995, where the Seely family have played a prominent role since the 1850's. He was Chairman of the Bureau of Applied Sciences from 1987 to 1991 and was made an Honorary Doctor of Literature by Bournemouth University in 1993 and a Commander of the British Empire in 1984. He is also a member of The Royal Yacht Squadron.