William Sanday (RAF officer)

William Douglas Stock Sanday
Born(1883-05-28)28 May 1883
Woolton, Liverpool, Lancashire, England
DiedUnknown
AllegianceUnited Kingdom
BranchBritish Army
Royal Air Force
Years of service1915–1919
RankLieutenant-Colonel
UnitNo. 2 Squadron RFC
No. 70 Squadron RFC
CommandsNo. 19 Squadron RFC
AwardsDistinguished Service Order
Military Cross
Spouse(s)
Mary Brodrick
(m. 1905)
RelationsWilliam Sanday (uncle)
Other workPartner in Sanday & Co.

Lieutenant-Colonel William Douglas Stock Sanday, DSO, MC (born 1883) was a British World War I flying ace credited with five aerial victories.