Nasser Alizadeh made it to the final showdown of the 87kg event, only to suffer a 7-4 defeat against Uzbekistan’s Jalgasbay Berdimurtov.
Amin Kavianinejad also finished his campaign with a silver after a loss to Kyrgyzstan’s Akzhol Makhmudov – two-time world champion and a silver winner in Tokyo Olympics – in the 77kg final.
Danial Sohrabi, meanwhile, recovered from a last-four setback against Meiirzhan Shermakhanbet of Kazakhstan to beat China’s Li Lei 3-2 and walk away with the joint 67kg bronze.
Elsewhere in the Games on Wednesday, the Iranian kabaddi teams came out victorious against their opponents.
The country’s men’s side defeated South Korea 64-23 to win Group B and progress into the semifinals.
In the women’s competitions, Iran also secured a last-four place, thanks to a 54-16 triumph over Bangladesh.
In water polo, Iran fell to a 15-7 defeat against the host but still managed to qualify for the men’s quarterfinals as the runner-up in Group B.