Sebastián Coates, Uruguayan footballer
Sebastián Coates Nion (Spanish pronunciation: [seβasˈtjan koˈatez ˈnjon]; born 7 October 1990), often known as Seba Coates, is a Uruguayan professional footballer who plays as a centre back for Portuguese club Sporting CP and the Uruguay national team.

Having begun his career at Nacional, where he was a regular from his debut in 2009, Coates joined Liverpool in 2011. He spent time out on loan, back at Nacional, and at Sunderland, and then joined the latter permanently in 2015. In January 2016, he moved to Sporting, initially on loan before signing permanently in February 2017. Following his move, Coates became an important member of the Sporting squad, captaining the side, and leading the club to a number of trophies, including the club's first league title in 19 years during the 2020–21 season.

Coates made his international debut at the 2011 Copa América, and was voted Young Player of the Tournament after Uruguay won it. He also represented the country at the 2012 Olympics, 2014 and 2018 FIFA World Cup, and the 2015 and 2019 Copa América.