Heather Watson
- Residence: Bradenton, Florida USA
- DOB: October 19, 1992
- Birthplace: Sait Peter Port, Guernsey
- Height: 5' 7" (1.70 m)
- Weight: 140 lbs. (63 kg)
- Plays: Right-handed (two-handed backhand)
Heather Miriam Watson is a British female tennis player and the British No 1. Born in Guernsey, she trains and lives at the Nick Bollettieri Tennis Academy in Florida, USA.
On 16 July 2012 Watson became for the first time the top-ranked British senior woman player on the WTA rankings, overtaking Anne Keothavong.
She is currently ranked in the top 50 in the world.
On 14 October 2012, Watson won her first WTA singles title with a win over Chang Kai-chen of Taiwan in the final of the Japan Open, becoming the first British female to win a WTA singles title since Sara Gomer in 1988.
In her junior career, Watson won the US Open and gold at the 2008 Commonwealth Youth Games. She had been as high as No. 3 in the world on the ITF Junior Circuit.
