| 2025-10-25 | UFC 321: Aspinall vs. Gane | Middleweight | Ikram Aliskerov def. Jun Yong Park | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2025-06-21 | UFC on ABC: Hill vs. Rountree Jr. | Middleweight | Jun Yong Park def. Ismail Naurdiev | Decision (unanimous) (29–26, 29–26, 29–25) | 3 | 5:00 |
| 2024-10-12 | UFC Fight Night: Royval vs. Taira | Middleweight | Jun Yong Park def. Brad Tavares | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2023-12-09 | UFC Fight Night: Song vs. Gutiérrez | Middleweight | André Muniz def. Jun Yong Park | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2023-07-15 | UFC on ESPN: Holm vs. Bueno Silva | Middleweight | Jun Yong Park def. Albert Duraev | Submission (rear-naked choke) | 2 | 4:45 |
| 2023-02-04 | UFC Fight Night: Lewis vs. Spivac | Middleweight | Jun Yong Park def. Denis Tiuliulin | Technical submission (rear-naked choke) | 1 | 4:05 |
| 2022-10-29 | UFC Fight Night: Kattar vs. Allen | Middleweight | Jun Yong Park def. Joseph Holmes | Submission (rear-naked choke) | 2 | 3:04 |
| 2022-05-21 | UFC Fight Night: Holm vs. Vieira | Middleweight | Jun Yong Park def. Eryk Anders | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2021-10-23 | UFC Fight Night: Costa vs. Vettori | Middleweight | Gregory Rodrigues def. Jun Yong Park | KO (punches) | 2 | 3:13 |
| 2021-05-08 | UFC on ESPN: Rodriguez vs. Waterson | Middleweight | Jun Yong Park def. Tafon Nchukwi | Decision (majority) (30–25, 29–26, 28–28) | 3 | 5:00 |
| 2020-10-18 | UFC Fight Night: Ortega vs. The Korean Zombie | Middleweight | Jun Yong Park def. John Phillips | Decision (unanimous) (30–25, 30–25, 30–25) | 3 | 5:00 |
| 2019-12-21 | UFC Fight Night: Edgar vs. The Korean Zombie | Middleweight | Jun Yong Park def. Marc-André Barriault | Decision (unanimous) (30–27, 29–28, 29–28) | 3 | 5:00 |
| 2019-08-31 | UFC Fight Night: Andrade vs. Zhang | Middleweight | Anthony Hernandez def. Jun Yong Park | Submission (anaconda choke) | 2 | 4:39 |