Thongchai

Thongchai or Tongchai are romanizations of two homophonous Thai names, ธงชัย and ธงไชย. Both are masculine given names, and also a surname.

Given name
People with the given name Thongchai (ธงชัย) include:
 * Thongchai Akkarapong, footballer
 * Thongchai Jaidee, golfer
 * Thongchai Sitsongpeenong, Muay Thai boxer
 * Thongchai Sukkoki, footballer
 * Thongchai Winichakul, historian
 * Tongchai Teptani, boxer

People with the given name Thongchai (ธงไชย) include:
 * Thongchai McIntyre, singer
 * Thongchai Rathchai, footballer

Surname
People with the surname Thongchai (ธงชัย) include:
 * Suradech Thongchai, footballer

People with the surname Thongchai (ธงไชย) include:
 * Pipob Thongchai, political activist