Hossein Tabarteh-Farahani claimed a bronze medal in the men’s +84kg.
Sara Adria also seized a bronze medal in the women’s -68kg.
The Deaflympics had initially been scheduled to take place from December 5 to 21 in 2021, but was postponed due to COVID-19 complications.
There are 209 events in 17 sports on the Deaflympics program.
Athletics, badminton, cycling, golf, judo, karate, orienteering, shooting, swimming, table tennis, taekwondo, tennis, wrestling, basketball, football, handball and volleyball are the 17 sports.
The last summer Deaflympics took place in 2017 in the Turkish city of Samsun.