| Brett Ormsby | |
| Nationality: |  United States |
| Birth Date: | 1 December 1982 |
| Birth Place: | San Diego, United States |
| Height: | 1.9m (06.2feet) |
| Weight: | 83kg (183lb) |
| Position: | driver |
| Years1: | 2001-2004 |
| Clubs1: | UCLA Bruins |
| Nationalyears1: | 2004 |
| Nationalteam1: | United States |
Brett Ormsby (born 1 December 1982) is an American water polo player. He was a member of the United States Men's National Water Polo Team, playing as a driver. He was a part of the team at the 2004 Summer Olympics.[1] He played for the UCLA Bruins in United States.[2]
Ormsby married water polo player Thalia Munro who participated for the United States women's national water polo team at the 2004 Summer Olympics.