| XLII Thailand National Games | |
| Host City: | Suphan Buri |
| Teams: | 77 |
| Events: | 44 sports |
| Opened By: | Yukol Limlamthong, Deputy prime minister |
| Torch Lighter: | Neeranuch Klomdee |
| Stadium: | Suphan Buri Provincial Stadium |
| Previous: | Chiang Mai 2012 |
The 42nd Thailand National Games (Thai: การแข่งขันกีฬาแห่งชาติ ครั้งที่ 42 "สุพรรณบุรีเกมส์", also known as the 2013 National Games and the Suphan Buri Games) were held in Suphan Buri, Thailand from 5 to 15 January 2014, involving 44 sports and 77 disciplines. These games were held in Suphan Buri Provincial Sport Center and Suphan Buri Sport School Stadium. Nakhon Ratchasima also hosted the 1994 and the 2006 Thailand National Games.
His Majesty King Naresuan riding on his royal war elephant beat His Majesty King of Burma with Don Chedi Memorial.
The mascots Ma Si Mok. The dark gray horse in Khun Chang Khun Phaen.
The opening ceremony was held on January 5, 2014 at Suphan Buri Provincial Stadium with performances from the Suphanburi Symphonic Band and a special football match between Suphanburi FC and Muang Thong United.
The closing ceremony was held on January 15, 2014 at Suphan Buri Provincial Stadium with a handover of the flag to Nakhon Ratchasima, the host 2014 Thailand National Games.