Senegal competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.

The Senegalese National Olympic and Sports Committee (French: Comité National Olympique et Sportif Sénégalais) sent a total of sixteen athletes to the Games, six men and ten women, to take part in six different sports.

For the second consecutive time in the nation's Olympic history, Senegal was represented by more female than male athletes.

Five Senegalese athletes had previously competed in Sydney, including hurdler Mame Tacko Diouf and breaststroke swimmer Malick Fall, who carried the nation's flag in the opening ceremony.

Senegalese swimmers earned qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the A-standard time, and 1 at the B-standard time): Senegal has selected a single tennis player through a tripartite invitation.