Stephen Galway Adye CB (1772 – 13 September 1838) was a British Army officer who fought at the Battle of Waterloo.

The second son of Stephen Payne Adye, he was appointed first lieutenant in the Royal Artillery on 1 January 1794.

[1] He served under General Abercromby in the 1801 Egyptian Campaign against the French,[2] and was part of the 1809 expedition to Walcheren, during which he was seriously wounded.

[1] At Waterloo he was a field officer in command of two batteries of foot artillery attached to an army division,[3] and was subsequently made a Companion of The Most Honourable Order of the Bath (CB).

Adye was commemorated by a memorial, now destroyed, in St Mary's Churchyard, Woolwich with the following inscription: "Beneath this stone are deposited the mortal remains of Mary, wife of Brigade Major Adye, who died 20 September 1809, at the age of 37.