Brianne Theisen-Eaton

Brianne Theisen-Eaton, née Theisen, (18 December 1988) is a retired Canadian track and field athlete who competed in the heptathlon and women's pentathlon. She won the bronze medal at the 2016 Summer Olympics. Theisen-Eaton holds the Canadian record for the heptathlon with 6,808 points, as well as the indoor pentathlon with a score of 4768 points.

Theisen-Eaton is a heptathlon silver medallist from the 2013 World Championships and 2015 World Championships, as well as a pentathlon silver medalist from the 2014 World Indoor Championships. She is the first and only Canadian woman to podium in the multi-events at the World Championships. Theisen-Eaton won Commonwealth Games gold in the heptathlon at Glasgow 2014 and was the 2016 World Indoor Champion in the pentathlon.

She also won a bronze medal as part of the women's 4 x 400 m relay at the 2015 Pan American Games in Toronto. A national junior champion in 2006, she took the heptathlon gold medal at the Pan American Junior Championships the following year. She enrolled at the University of Oregon and broke a number of school records in her first three years, winning back-to-back NCAA heptathlon titles in 2009 and 2010. She also won twice at the NCAA Indoor Championship, including a collegiate pentathlon record in 2011. She and her husband, Ashton Eaton, announced their retirement from track and field on 3 January 2017.