The men's 58 kg competition in taekwondo at the 2000 Summer Olympics in Sydney took place on September 28 at the State Sports Centre.

[1] American taekwondo jin Steven López came from behind in the final round to dedeat South Korea's Sin Joon-sik for the gold medal in the men's featherweight class.

[2][3] Meanwhile, Iranian fighter Hadi Saei edged his Turkish-born Austrian opponent Tuncay Çalışkan 4–2 to earn a bronze.

The main bracket consisted of a single elimination tournament, culminating in the gold medal match.

The taekwondo fighters eliminated in earlier rounds by the two finalists of the main bracket advanced directly to the repechage tournament.