Montross Phansovannarun
| Personal information | |
|---|---|
| Native name | មនត្រស ផានសុវណ្ណអារុន |
| Full name | Montross Phansovannarun |
| Nationality | American Cambodian |
| Born | 29 March 2003 |
| Sport | |
| Country | Cambodia |
| Sport | Swimming |
Montross Phansovannarun (Khmer: មនត្រស ផានសុវណ្ណអារុន) is a Cambodian swimmer. He mostly competed in 50m, 100m, and 200m swimming competitions and currently holds the national record of 26.70 in the 50m butterfly at the SEA Games.