Francis Xavier Kriengsak Kovitvanij (Thai: ฟรังซิสเซเวียร์ เกรียงศักดิ์ โกวิทวาณิช,[citation needed] RTGS: Kriangsak Kowitwanit, pronounced [krīa̯ŋ.sàk kōː.wít.wāː.nít];[citation needed] born 27 June 1949) is a Thai Catholic prelate and cardinal who served as Archbishop of Bangkok from 2009 to 2024.

From 1970 to 1976 he studied philosophy and theology at the Pontifical Urbaniana University in Rome, and was ordained as priest on 11 July 1976.

In 2000 he became parish priest at the church of Our Lady of Lourdes in Hua Take, and also since 2001 a special lecturer at Sam Phran major seminary.

On 7 March 2007 Pope Benedict XVI appointed him bishop of Nakhon Sawan, which had been vacant since 2005, when his predecessor Louis Chamniern Santisukniram was made Archbishop of Thare and Nonseng.

[4] In April 2015 he was appointed a member of the Congregation for the Evangelization of Peoples and of the Pontifical Council for Social Communications.