Ernest Blakelock Thubron, also known as Émile Thubron (15 July 1861) was an Anglo-French motorboat racer and an olympic champion.

He was born in The Boldons, United Kingdom.

He died in Tokomaru, New Zealand on 22 May 1927[1][2] He won the second running of the Harmsworth Trophy for motor powered boats in 1904 in Trefle-à-quatre.

In 1898, Thubron was a Managing Owner of Boulac Engine Works, Cairo[3] and in 1906 he was still working as a boat constructor in Egypt.

[4] He competed with his boat Camille in Class A (the open class) at the 1908 Summer Olympics in London, where he won a gold medal.