John Sandon (born 1959) is a British expert and prolific author on ceramics and glass.

The son of Henry Sandon, a notable authority on Royal Worcester porcelain, John Sandon left school aged 16 and went to work at auction house Bonhams (formerly Phillips) in London in 1975, where he quickly established himself as a porcelain specialist.

Since 1988 he has been the International Director of European Ceramics and Glass at Bonhams auctioneers in London.

[1] He is a world authority on European porcelain, and has written many books and articles on the subject.

[3] When his father Henry died, on 25 December 2023, at the age of 95, Sandon said, "To the millions who tuned in every Sunday evening to watch the Antiques Roadshow, Henry was like a favourite uncle, whose enthusiasm for even the humblest piece of chipped china was infectious.