William Nicolas Dawes (1762–1836) was an officer of the British Marines, an astronomer, engineer, botanist, surveyor, explorer, abolitionist, and colonial administrator. He traveled to New South Wales with the First Fleet on board HMS Sirius.
- Occupation
- explorer, astronomer, abolitionist
- Position held
- Governor of Sierra Leone
- Citizenship
- United Kingdom
- Born
- 1762
- Died
- 1836