East Horsley is in Surrey.

East Horsley is a village in Surrey, England, on the A246 between Leatherhead and Guildford. Neighbouring villages are West Horsley, Ockham, Effingham and Gomshall. Horsley railway station lies on the New Guildford Line between Guildford and London Waterloo. The census area Clandon and Horsley has a population of 8,409.

East Horsley appears in Domesday Book of 1086 as Horslei. It was held by Lanfranc, Archbishop of Canterbury. Its domesday assets were: 3 hides and 1½ virgates; 8½ ploughs, woodland worth 50 hogs. It rendered £5.

East Horsley has one private primary school, Glenesk. There is a well-equipped amateur theatre called the Nomad Theatre which is behind the smaller of East Horsley's two rows of shops, Bishopsmead Parade. The theatre, largely financed by lottery grants from Arts Council England, opened in October 1998 with a production of Dylan Thomas's Under Milk Wood. A larger row of shops is situated near the railway station.

The village has a large gothic mansion which was designed by Sir Charles Barry (designer of the Houses of Parliament) for the 1st Earl of Lovelace. It was the home of Ada, Lady Lovelace (the poet Lord Byron's daughter) and later Sir Thomas Sopwith, the aviation pioneer. It was used in the television drama The Stone Tape as 'Taskerlands'.

East Horsley is the home of the tennis player Chris Eaton and also the financier Sir Philip Hampton.