Lycée International Xavier (LIX, Korean: 하비에르 국제학교) is a private school in Gugi-dong, Jongno-gu, Seoul. A part of the Madeleine Daniélou Centers educational network, it includes elementary, middle, and high school levels. Since July 2012, it has been affiliated with the Mission Laïque Française (MLF).
The Board of Education of Seoul authorized the school's creation on February 9, 2002. On March 2 of that year, the original campus in Hyehwa-dong, Jongno-gu opened. The school moved to its current location in May 2005.