Um Sereyroth (Khmer: អ៊ុំ សេរីរត្ន័ born 25 September 1993) is a Cambodian footballer who plays for Preah Khan Reach Svay Rieng in the Cambodian Premier League on loan from Tiffy Army and also Cambodia national football team. His older brother Um Vichet is also a footballer who also plays as a goalkeeper.