Erdenechimegiin Sumiyaa (born 28 February 1990) is a wrestler from Mongolia. At the 2013 FILA Wrestling World Championships, she won a silver medal in women's 51 kg freestyle.51 KG SF – Victoria Anthony USA vs Erdenechimeg MGL /ref>
In 2021, she won the silver medal in the women's 55 kg event at the 2021 Poland Open held in Warsaw, Poland. In 2022, she won one of the bronze medals in the women's 55 kg event at the Golden Grand Prix Ivan Yarygin held in Krasnoyarsk, Russia.