| Thein Tun | |
| Native Name Lang: | my Burmese |
| Order: | Minister for Posts and Telecommunications of Myanmar |
| Term Start: | 30 March 2011 |
| Term End: | 16 January 2013 |
| Predecessor: | Thein Zaw |
| Order1: | Member of the Pyithu Hluttaw |
| Constituency1: | Myaing Township |
| Majority1: | 50,392 (61.49%) |
| Term Start1: | 31 January 2011 |
| Term End1: | 30 March 2011 |
| Predecessor1: | None |
| Successor1: | Myint Aung |
| Order2: | Deputy Minister for Posts and Telecommunications of Myanmar |
| Party: | Union Solidarity and Development Party |
| Birth Date: | 5 December 1947 |
| Birth Place: | Myaing, Burma |
| Nationality: | Burmese |
| Spouse: | Mya Mya Win |
| Allegiance: | Myanmar |
| Branch: | Myanmar Army |
| Serviceyears: | -2010 |
| Rank: | Major-General |
Thein Tun (Burmese: သိန်းထွန်း; also spelt Thein Htun; born 5 December 1947[1]) is a retired Burmese Major-general and politician, serving as the Minister for Posts and Telecommunications of Myanmar.[2] In the 2010 Burmese general election, he won a Pyithu Hluttaw seat after contesting the constituency of Myaing Township.[3] He was resigned on 16 January 2013.
Thein Tun was born to parents U Pywat and Daw Phayaon, who have 5 children together.[4]