George Frederick Deacon ((1843-07-26)26 July 1843 – (1909-06-17)17 June 1909) was an English civil engineer.

During this latter period, jointly with Thomas Hawksley, he designed the Lake Vyrnwy scheme to supply Liverpool's water.

[2] In 1890 he established a consultancy in Westminster which designed waterworks for many UK towns.

At the time of his death he was working on a scheme to provide water to Birkenhead from the River Alwen.

This article about an engineer, inventor or industrial designer from England is a stub.