Sydney Tatiana Barros (born February 21, 2005) is an American artistic gymnast currently representing Puerto Rico in international competitions.

While representing the United States she was a member of the team that won bronze at the inaugural Junior World Championships.

[7] In 2018 Barros competed at a verification camp where she placed fourth amongst the juniors behind Sunisa Lee, Kayla DiCello, and Jordan Bowers.

[8] Later that month Barros traveled to Italy to compete at the 2018 City of Jesolo Trophy alongside her club teammates Ragan Smith and Emma Malabuyo.

While there Barros only competed in the floor exercise and vault as she injured her ankle on the latter and withdrew from the remainder of the competition.

[12] Barros competed at the Parkettes National Qualifier, finished second behind éMjae Frazier, and re-qualified as a junior elite.

[14] At the Junior World Championships Barros helped the team win bronze behind Russia and China and finished fifth in the all-around.