Sedley may refer to:
Surname Sedley (surname)
Given name Sedley Alley (1955–2006), convicted of abducting, raping, and murdering 19-year-old Suzanne Marie Collins Sedley Andrus, LVO (1915–2009), long-serving English officer of arms who was Beaumont Herald of Arms Extraordinary Sedley Cooper (born 1911), former professional footballer Sedley Cudmore, B.A., M.A., (1878–1945), Canadian economist, academic, civil servant and Canada's second Dominion Statistician
Places Sedley, Indiana, an unincorporated community in Porter County, United States Sedley, Saskatchewan, village in Saskatchewan, south-east of Regina, Saskatchewan, Canada Sedley, Virginia, unincorporated community in the middle of Southampton County, Virginia, United States
Other Sedley Baronets in the County of Kent, was created in the Baronetage of England on 29 June 1611 Sedley Place, independent design agency based in Clapham, London Sedley Taylor Road, road in west Cambridge, England