Sir Henry Askew KCB (7 May 1775 – 25 June 1847)[1] was an officer of the British Army.

He served during the Napoleonic Wars and fought at the Battle of Waterloo.

[2] He joined the army in 1793 as an ensign in the 1st Foot.

Askew took part in the Peninsular War and operations in the south of France, being commended with a medal for his part in the Battle of the Nive.

[2] He was wounded at the Battle of Quatre Bras and received the Waterloo Medal.