Judo
Men's Half Lightweight (–66 kg):
- João Pina — defeated in quarterfinals; repechage semifinals
Men's Lightweight (–73 kg):
- João Neto — defeated in quarterfinals; repechage quarterfinals
Men's Half Middleweight (–81 kg):
- Nuno Delgado — defeated in round of 32
Women's Half Lightweight (–52 kg):
- Telma Monteiro — defeated in quarterfinals; repechage round of 16
Read more about this topic: Portugal At The 2004 Summer Olympics