This article contains lists of appearances of the United States men's national water polo team rosters at the Summer Olympics, and is part of the United States men's Olympic water polo team statistics series.
Tony Azevedo is the first and only American water polo player (man or woman) to have competed in five Olympic Games.
Four Americans have each made Olympic appearances as players and as head coaches of the United States men's national team.
The three McIlroy brothers (Paul, Chick and Ned) were all members of the 1964 United States men's Olympic water polo team.
The Kooistra brothers (Bill and Sam) played for the United States in water polo at the 1956 Olympics.