The Sri Lanka men's national cricket team, nicknamed The Lions, represents Sri Lanka in men's international cricket. It is a full Member of the International Cricket Council with Test, One-Day International and T20 International status. The team first played first class cricket in 1926–27 and became an associate member of the ICC in 1965. They made their international debut in the 1975 Cricket World Cup and were later awarded the Test status in 1981, which made Sri Lanka the eighth Test cricket-playing nation. The team is administered by Sri Lanka Cricket.

Sri Lanka's national cricket team achieved considerable success beginning in the 1990s, rising from underdog status to winning the Cricket World Cup in 1996, under the captaincy of Arjuna Ranatunga. Since then, the team has continued to be a force in international cricket. The Sri Lankan cricket team reached the finals of the 2007 and 2011 Cricket World Cups consecutively. They ended up being runners-up on both occasions.

Sri Lanka won the Cricket World Cup in 1996 (vs Australia), the ICC Champions Trophy in 2002 (co-champions with India), and the ICC T20 World Cup in 2014 (vs India). They have been consecutive runners-up in the 2007 and 2011 Cricket World Cups, and have been runners-up in the ICC T20 World Cup in 2009 and 2012. The Sri Lankan cricket team currently holds several world records, including the world record for the highest team total in Test cricket.