| Sir Charles Montagu | |
| Death Date: | 1 August 1777 |
| Rank: | Lieutenant-General |
| Awards: | Knight of the Order of the Bath |
Lieutenant-General Sir Charles Montagu KB (died 1 August 1777) was a British Army officer.
He was the son of Brigadier-General Edward Montagu, colonel of the 11th Foot and Governor of Hull, nephew of George Montagu, 1st Earl of Halifax, and great-nephew to the celebrated minister Charles Montagu, 1st Earl of Halifax. He had an elder brother, Edward, who was killed at the Battle of Fontenoy, being then lieutenant-colonel of the 31st Foot.
Montagu attained the rank of colonel in the Army on 30 November 1755, major-general on 25 June 1759, colonel of the 2nd (The Queen's Royal) Regiment of Foot on 27 November 1760, and lieutenant-general on 19 January 1761.[1]