Guinea-Bissau qualified one judoka for the following weight class at the Games. Bubacar Mané (men's super-heavyweight , +100 kg) got qualified via continental quota based on Olympic point rankings.[2]
Guinea-Bissau send one taekwondo practitioner for the Summer Olympics. Paivou Gomis received a quota based on Universality places, and also marking the nation's debut at this sport.
VB (ranking points: 5–0 or 0–5) – Victory by injury (VF for forfeit, VA for withdrawal or disqualification)
PP (ranking points: 3–1 or 1–3) – Decision by points – the loser with technical points.
PO (ranking points: 3–0 or 0–3) – Decision by points – the loser without technical points.
ST (ranking points: 4–0 or 0–4) – Great superiority – the loser without technical points and a margin of victory of at least 8 (Greco-Roman) or 10 (freestyle) points.
SP (ranking points: 4–1 or 1–4) – Technical superiority – the loser with technical points and a margin of victory of at least 8 (Greco-Roman) or 10 (freestyle) points.