| William Willmott Henderson | |
| Birth Date: | 1788 |
| Death Date: | 1854 |
| Death Place: | At sea |
| Allegiance: |  United Kingdom |
| Serviceyears: | 1799–1854 |
| Rank: | Rear admiral |
| Commands: | South East Coast of America Station |
| Branch: | Royal Navy |
| Battles: | Egyptian–Ottoman War |
| Awards: | Companion of the Order of the Bath Knight of the Royal Guelphic Order |
Rear Admiral William Willmott Henderson, CB, KH (1788–1854) was a Royal Navy officer who became Commander-in-Chief, South East Coast of America Station.
Henderson joined the Royal Navy in May 1799.[1] Promoted to captain on 9 October 1815, he became commanding officer of the third-rate in July 1837 and saw action in operations off the coast of Syria in 1840 during the Egyptian–Ottoman War.[1] He went on to be commanding officer in at Portsmouth in September 1841 and Commander-in-Chief, South East Coast of America Station in July 1851.[1] He died at sea in 1854.[2]