María Teresa Viana Aché (born 26 March 1993)[1] is an indoor and field hockey player from Uruguay.

[4] She went on to represent the team again at the 2021 Indoor Pan American Cup in Spring City, Pennsylvania.

[5] Viana made her debut for the national team in 2012 during the inaugural season of the FIH World League.

[6] The following year she won a silver medal at the 2018 South American Games in Cochabamba.

[5] In 2019, she appeared at the FIH Series Finals in Hiroshima,[7] and the Pan American Games in Lima.