94 รายการ[1] ใน 17 สาขากีฬา, comprising 16 sports, were part of the Olympic program in 1904. Swimming and diving are considered two disciplines of the same sport, aquatics. The number of events in each discipline is noted in parentheses.

กีฬาสาธิต

• บาสเกตบอล
• เฮอร์ลิง
• อเมริกันฟุตบอล
• เบสบอล
• แกลิกฟุตบอล
• โปโลน้ำ

บาสเกตบอล, hurling, อเมริกันฟุตบอล and เบสบอล were featured as demonstration sports. Gaelic football was also an unofficial demonstration sport at the 1904 Olympics.

โปโลน้ำ is also mentioned in the games reports for the 1904 Summer Olympics. However, it was not considered at the time to be a demonstration sport and, even though it has since been classified as such, it has not been included retrospectively in the IOC's official medal database.