Henry Bellingham (died 1676) was an Anglo-Irish soldier, landowner, and politician.
By 1648, his allegiance was with the Commonwealth and he is recorded as a lieutenant in the army of Michael Jones.
He participated in the Cromwellian conquest of Ireland as a cornet in John Hewson's cavalry regiment.
In 1653, he left military service and was granted land in County Louth under the Act for the Settlement of Ireland 1652, in lieu of pay, at what would later become Castlebellingham.
He served as a revenue commissioner in 1654 and 1657, a member of a commission investigating the organisation of parishes in 1658, a commissioner for the civil survey in the county, and a captain of a militia company from 1659 to 1662.