Tonya Nero (born 27 November 1988)^[1] is a Trinidad and Tobago long-distance runner. She holds national records in the 5k, 10k, half marathon, and marathon.

She competed at the 2012,^[2] 2014,^[3] 2016^[4] and 2018^[5] editions of the World Half Marathon Championships. Her best finish was 27th at the 2012 edition in Kavarna, Bulgaria, when she set the Trinidad & Tobago national record with a time of 1:15:13.

In 2019, she competed in the women's 10,000 metres at the Pan American Games held in Lima, Peru.^[6] She finished in 10th place with a time of 34:15.36.^[6]

Nero represented Trinidad and Tobago at the 2014 Commonwealth Games held in Glasgow, Scotland in the women's 10,000 metres event,^[1] where she finished 12th out of 13 competitors.^[1] In 2016, she won the Run Barbados 10k event.^[7]

She competed in the World Half Marathon Championships for Trinidad & Tobago from 2012 to 2018.

She competed in the women's marathon at the 2018 Commonwealth Games held in Gold Coast, Australia,^[8] finishing in 14th place.^[8]