| Roles | Competed in Olympic Games (non-medal events) | 
|---|---|
| Sex | Male | 
| Full name | Walter Leroy "Walt"•Peterson | 
| Used name | Walt•Peterson | 
| Born | 13 March 1944 | 
| Died | 1 October 2019 in Newport Beach, California (USA) | 
| Affiliations | USC Trojans, Los Angeles (USA) | 
| NOC |  United States | 
Walt Peterson played for the USA at the 1964 Olympic demonstration baseball tournament. He was an All-American in college at Southern Cal in both 1963 and 1964. He won 17 games his senior year and set a Pac-10 single season strikeout record with 1972 Ks.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Baseball (Baseball/Softball) |  USA | Walt Peterson | |||
| Baseball, Men (Olympic (non-medal)) | United States | =1 | ||||
| Baseball, Men (Olympic (non-medal)) | United States | 1 |