| Medal record | ||
|---|---|---|
| Women’s swimming | ||
| Competitor for the United States | ||
| Olympic Games | ||
| Silver | 1956 Melbourne | 4x100 m freestyle |
| Bronze | 1952 Helsinki | 4x100 m freestyle |
Joan Ann Alderson-Rosazza (born March 5, 1935 in Torrington, Connecticut) was an American swimmer. Alderson-Rosazza won a bronze medal at the 1952 Summer Olympics in Helsinki and a silver medal in the same event four years later in Melbourne.