Tomáš Vaclík is a Czech professional footballer who plays as a goalkeeper for Sevilla FC and the Czech Republic.
Vaclík represented his country at the 2011 UEFA European Under-21 Football Championship and was named in the team of the tournament. He made his debut for the Czech Republic national football team in 2012.
Vaclík represented his country at the youth level between 2005 and 2011, progressing from the under-16 team up to the under-21 team.
Vaclík was involved in the national team for the first time in 2011, selected as a third goalkeeper for the squad's matches against Spain and Luxembourg, although he did not play. He made his senior debut for the Czech Republic on 14 November 2012 in a 3–0 friendly victory against Slovakia.