Hyypiä was capped 27 times by the Finland national under-21 team. He made his debut for the senior team against Tunisia on 7 November 1992 at the age of 19. He went on to be a key member of the Finnish squad, participating in five UEFA European Championship and four FIFA World Cup qualifiers. In a friendly against Sweden on 12 August 2009 he became one of four Finnish national team players ever to reach milestone of 100 international appearances. Hyypiä succeeded Jari Litmanen as captain of the Finnish national team in 2008. He was given a straight red card in his penultimate match for a 36th-minute foul on Viorel Frunza as Finland lost 2–0 away to Moldova in a qualifier. His last appearance for national team was against Hungary in a UEFA Euro 2012 qualifier on 12 October 2010, a 2–1 home defeat.
