William Jennens (Royal Navy officer)
Sir William Jennens  | |
|---|---|
| Other name(s) | Jennyns, Jennings | 
| Born | 27 June 1634 | 
| Died | 1704 Lisbon  | 
| Allegiance | Kingdom of England | 
| Service  | Royal Navy | 
| Years of service | 1660–1671 1672–1689  | 
| Rank | Captain | 
| Commands | HMS Ruby HMS Lion HMS Sapphire HMS Princess HMS Victory HMS Gloucester HMS French Ruby HMS Royal James HMS Jersey HMS Rupert HMS Warspite  | 
| Battles / wars | |
| Awards | Knight Bachelor | 
| Spouse(s) | Diana Steward | 
| Children | 3 | 
| Relations | Sarah Churchill, Duchess of Marlborough (niece) | 
| Other work | Chief Engineer to Peter II of Portugal | 
Sir William Jennens (c. 27 June 1634 – 1704) was a British Royal Navy captain and Jacobite.