| Honorific-Prefix: | His Excellency |
| Tea Seiha | |
| Office: | Deputy Prime Minister of Cambodia |
| Primeminister: | Hun Manet |
| Term Start: | 22 August 2023 |
| Office1: | Minister of National Defence |
| Term Start1: | 22 August 2023 |
| Primeminister1: | Hun Manet |
| Predecessor1: | Tea Banh |
| Office2: | Member of Parliament for Siem Reap |
| Term Start2: | 21 August 2023 |
| Office3: | Governor of Siem Reap Province |
| Term Start3: | 12 December 2018 |
| Term End3: | 21 August 2023 |
| Predecessor3: | Khim Bunsong |
| Successor3: | Prak Sophoan |
| Birth Date: | 31 August 1980 |
| Birth Place: | Phnom Penh, People's Republic of Kampuchea |
| Education: | École spéciale militaire de Saint-Cyr |
| Parents: | Tea Banh (father) Tao Toeun (mother) |
| Party: | Cambodian People's Party |
| Branch: | Royal Cambodian Army |
| Rank: | General |
| Native Name Lang: | kn |
Tea Seiha (Central Khmer: ទៀ សីហា; born 31 August 1980[1]) is a Cambodian politician and general[2] who is the current Minister of National Defence. He was previously the governor of Siem Reap province from 2018 to 2023.[3] He is the son of former Defence Minister Tea Banh.[4]