General Henry Aitchison Hankey (6 October 1805 – 24 June 1886) was a senior British Army officer.

Hankey was commissioned as an cornet in the 1st King's Dragoon Guards June 1823.

[1] Promoted to lieutenant-colonel in March 1839, he took command of the 1st King's Dragoon Guards in 1844 and led its successful deployment to Ireland in 1848 before handing over to his successor in 1852.

[2] He was promoted to major-general in 1857, to lieutenant-general in 1864 and to full general in 1871.

[2] After the death of his first wife, he married Lady Emily Pennefather, daughter of The 1st Earl of Glengall, in September 1852.