Ösökhbayaryn Chagnaadorj

Ösökhbayaryn Chagnaadorj (Өсөхбаярын Чагнаадорж; born May 6, 1997) is a Mongolian male weightlifter, competing in the 56 kg category and representing Mongolia at international competitions. He participated at the 2016 Summer Olympics in the men's 56 kg event. After his performance he had an IOC out-of-competition test and tested positive on exogenous testosterone.

He competed at world championships, including at the 2015 World Weightlifting Championships.