| Thongbanh Sengaphone | |
| Order: | Member of the Secretariat of the Central Committee of the Lao People's Revolutionary Party |
| Leader: | Choummaly Sayasone |
| Term Start: | 22 March 2006 |
| Term End: | 17 May 2014 |
| Order1: | Minister of Public Security |
| Term Start1: | 9 June 2006 |
| Term End1: | 17 May 2014 |
| Predecessor1: | Soutchay Thammasith |
| Successor1: | Vilay Lakhamfong |
| Birth Date: | 2 May 1953 |
| Birth Place: | Thouai Beang, Kingdom of Laos |
| Death Place: | Baan Nadi, Lao People's Democratic Republic |
| Party: | Lao People's Revolutionary Party |
Thongbanh Sengaphone (; 2 May 1953 – 17 May 2014) was a Laotian politician and member of the Lao People's Revolutionary Party (LPRP). He served as Minister of Public Security and held seats in the LPRP's Central Committee (appointed at the 7th Congress of the Lao People's Revolutionary Party) and the Secretariat (appointed at the 8th Party Congress).[1]
On 17 May 2014, Sengaphone died when the plane he was traveling on crashed in northern Laos.[2] [3] He was traveling to Xiangkhouang Province to attend a ceremony celebrating the 55th anniversary of the second division of the Lao People's Army.