HMS Vengeance (October 1758 – May 1761) Captain Sir Gamaliel Nightingale, 9th Baronet (15 February 1731 – January 1791) was an English landowner and Royal Navy officer.

[2] Sir Gamaliel was born at Kneesworth Hall, his family seat.

He was the son of Sir Edward Nightingale, the 7th baronet, and Eleanora Ethelston.

His older brother Edward succeeded to the Nightingale baronetcy on the death of their father in 1750.

[5] On 13 March 1761, while still commanding the Vengeance, he captured the 44-gun French privateer Entreprenant by Land's End.