Henry Maddock (born 12 November 1888, date of death unknown) was an English cricketer who played first-class cricket for Northamptonshire.
Maddock was a right-handed batsman who made a single first-class appearance, in 1921 against Essex. He scored 0 runs in both innings, being dismissed by Walter Perrin and Percy Perrin respectively. His fielding position is unrecorded.
Little further information is readily available regarding Maddock's life or cricket career.