HMS F3 was a British F-class submarine of the Royal Navy. She was built at John I. Thornycroft & Company, laid down on 12 October 1914 and launched on 19 February 1916.

F3 was broken up in Portsmouth in 1920.

• Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.