| Sir Charles Adair | |
| Birth Date: | 15 April 1822[1] |
| Birth Place: | Plymouth, Devon, England |
| Allegiance: |  United Kingdom |
| Branch: | Royal Marines |
| Serviceyears: | c.1837–1883 |
| Rank: | General |
| Commands: | Royal Marines |
| Awards: | Knight Commander of the Order of the Bath |
General Sir Charles William Adair (15 April 1822 – 27 December 1897) was a Royal Marines officer who served as Deputy Adjutant-General Royal Marines.[2]
Adair was born in Plymouth, the son of Major-General Thomas Benjamin Adair . He was appointed a lieutenant in the Royal Marines on 12 February 1842. He became colonel and second commandant at the Chatham Division on 16 February 1872, Assistant Adjutant-General at Headquarters Royal Marine Forces on 30 October 1872. and colonel-commandant of the Portsmouth Division on 29 July 1876. He went on to be Deputy Adjutant-General Royal Marines (the professional head of the Royal Marines) in September 1878 before retiring in September 1883.[3]
He was appointed Aide-de-Camp to the Queen in 1870. In 1871, he was appointed a Companion of the Order of the Bath (CB) and knighted in the same order in 1882.[2]
He married Isabella Aslett daughter of Col. Thompson Aslett. He was the father of Rear-Admiral Thomas Benjamin Stratton Adair.[2]