Thalia Janina Ormbsy (Munro) (born March 8, 1982) is an American water polo player for the UCLA Bruins and the US National Team, who won the bronze medal at the 2004 Athens Olympics.

In her first two years at UCLA, Ormbsy (Munro) scored 40 goals, and led the team as a sophomore with 23 assists.

Ormbsy (Munro) led her UCLA Bruins team in field saves with 19 and was second both in steals with 69 and in goals with 53.

Thalia Ormbsy (Munro) received 1998 Most Valuable Player at the Olympic Training Center in Colorado Springs with the National Youth Team.

Scored one goal in the Olympics against Italy and won a bronze medal with USA team.