Sancton Wood (1815–1886) was an English architect, born in Hackney. He was the son of John Wood and Harriet Russell, a niece of the painter, Richard Smirke.
Sancton Wood obtained work in the office of his cousin, the architect Robert Smirke. He later worked for Robert's brother, Sydney Smirke.
Wood became a student in the Antique School at the Royal Academy and travelled in continental Europe. He spent much time in Spain and Portugal and made drawings of many significant buildings.
He set up his own practice in England and obtained work designing stations for the growing railway networks in the British Isles. He also designed houses in London, including some at Lancaster Gate.
Sancton Wood died at his home at Putney Hill on 18 April 1886.