Elias Allen (Tonbridge c.1588 - London March 1653)[1] was an English maker of sundials and scientific instruments.
Allen was apprenticed to a London clockmaker in 1602, and after his master died established himself in a workshop beside St Clement Danes Church, the Strand.[1] He made instruments for James I and Charles I, among others, and was associated with the mathematicians Edmund Gunter and William Oughtred.[1] His apprentices included Ralph Greatorex.[1] He served from 19 January 1637 until 29 July 1638 as Master of the London Clockmakers' Company.[1] He died in March 1653, and was buried in St Clement Danes.[1]