James Alan Moy-Thomas (12 September 1908 – 29 February 1944) was an English palaeontological ichthyologist.
The son of Alan Moy-Thomas and his wife Gertrude, he was born in London.
He was educated at Eton and at Christ Church, Oxford, where he graduated with a first class degree in zoology in 1930[1] He authored numerous papers on palaeontological ichthyology.
In 1941 he was granted a Commission in the Special Duties Branch (i.e. intelligence) of the RAF.
[7] His brother Edward died later that year on active service in the Netherlands, during Operation Market Garden.