Yes, Thailand does celebrate Christmas! Christmas is a popular holiday in Thailand and is celebrated by many people, including Christians and non-Christians alike. While the holiday is not celebrated with the same level of importance as it is in Western countries, many people still enjoy the spirit of Christmas and participate in activities such as gift giving, decorating, and attending church services. In Thailand, Christmas is typically celebrated on December 24th, with a large Christmas Eve dinner followed by caroling and church services.