Sengiin Oyun-Erdene (; born 1993, Mongolia) is a Mongolian actress of the Cirque du Soleil and contortionist.

In 2024, contortionist Oyun-Erdene broke the record listed in Guinness World Records by performing the most contortion roll push-ups in 30 seconds, beating the previous record of 21 with her 24, thereby, she became the Guinness World Records title holder. In total, Mongolian contortionist did 28 push-ups, but several push-ups were not counted due to incorrect technique.

Guinness World Records Adjudicator Megan Bruce said,

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