| Merve Yenidünya | |
| Nationality: | Turkish |
| Birth Place: | Kilis, Turkey |
| Alma Mater: | Kilis 7 Aralık University |
| Years Active: | 2015– |
| Country: | Turkey |
| Sport: | Armwrestling |
| Event: | +90 kg, +70 kg (Junior) |
| Show-Medals: | yes |
Merve Yenid,nya (born 2004) is a Turkish armwrestler. Competing in the senior women's +90 kg category, she has been world and European champion several times in both left and right arm categories.
Inspired by her older brother, Yenidünya started her armwrestling career at Kilis in 2015. She won 16 Turkish championships as of 2023.
She won the gold medals in both arms events of the Sub-junior (Youth) +70 kg at the 2019 World Armwrestling Championship held in Constanța, Romania.
In 2021, she captured the gold medal in the Junior +70 kg event of the World Armwrestling Championship in Bucharets, Romania.
She won the silver medal in both arms at the 2022 European Armwrestling Championship in Bucharest, Romania. She received the bronze medal in the +90 kg event, and the silver and the gold medal in the Junior +70 kg left and right arm events respectively at the 2022 World Armwrestling Championship in Antalya, Turkey.
At the 2023 European Armwrestling Championship in Chișinău, Moldova, she took the gold medal in the left arm event and another gold medal in the right arm event of the Youth +70 kg category, as well as two bronze medals in the left and right arm events of the Senior +90 kg category. She won the silver medal in the left arm and the gold medal in the right arm event of the Youth +70 kg category, as well as the bronze medal in the left arm and the gold medal in the right arm event of the Senior +90 kg category at the 2023 World Armwrestling Championship in Almaty, Kazakhstan.
Merve Yenidünya was born in 2004. She lives in Kilis, southeastern Turkey, and studies in the School of Physical Education and Sports at Kilis 7 Aralık University.