Brianna Stubbs (born 13 July 1991) is an elite British rower and research scientist who won two gold medals for Great Britain at the 2013 U23 and 2016 World Rowing Championships.

[10] In 2017, Stubbs took the role of Research Lead with a Silicon Valley–based start-up, HVMN.,[11] where she helped to secure $6 million STTR contract for the study of ketone esters in extreme environments.

[12] In 2019, Stubbs took up the role of Lead Translational Scientist at The Buck Institute.,[13] working with a research group specializing in effects of ketone bodies on aging.

Stubbs gained her first senior international vest at the 2014 World Rowing Championships in the Lightweight Women's Quadruple Sculls, finishing 6th.

At the 2015 World Rowing Championships in France, Stubbs was part of the silver medal-winning team in the Lightweight Women's Quadruple Sculls, along with Ruth Walczak, Emily Craig and Eleanor Piggott.