1991 in Thailand

Decades:	1970s; 1980s; 1990s; 2000s; 2010s;
See also:	Other events of 1991; Timeline of Thai history;

The year 1991 was the 208th year of the Rattanakosin Kingdom of Thailand. It was the 46th year of the reign of King Bhumibol Adulyadej (Rama IX), and is reckoned as the year 2534 in the Buddhist Era. Significant events include the coup d'état against the government of Chatichai Choonhavan and the tragedy of Lauda Air Flight 004.