| 2026-10-17 | UFC Fight Night: Buckley vs. Malott | Lightweight | Cristian Pérez def. Kyle Nelson | KO (punches) | 1 | 0:27 |
| 2026-03-28 | UFC Fight Night: Adesanya vs. Pyfer | Lightweight | Terrance McKinney def. Kyle Nelson | TKO (head kick and punches) | 1 | 0:24 |
| 2025-10-18 | UFC Fight Night: de Ridder vs. Allen | Lightweight | Kyle Nelson def. Matt Frevola | Decision (unanimous) (30–27, 29–28, 29–28) | 3 | 5:00 |
| 2024-09-07 | UFC Fight Night: Burns vs. Brady | Catchweight | Steve Garcia def. Kyle Nelson | TKO (elbows and punches) | 1 | 3:59 |
| 2024-03-30 | UFC on ESPN: Blanchfield vs. Fiorot | Featherweight | Kyle Nelson def. Bill Algeo | TKO (punches) | 1 | 4:00 |
| 2023-09-16 | UFC Fight Night: Grasso vs. Shevchenko 2 | Featherweight | Kyle Nelson def. Fernando Padilla | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |
| 2023-06-10 | UFC 289: Nunes vs. Aldana | Featherweight | Kyle Nelson def. Blake Bilder | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2023-02-04 | UFC Fight Night: Lewis vs. Spivac | Featherweight | Choi Doo-ho vs. Kyle Nelson | Draw (majority) (29–27, 28–28, 28–28) | 3 | 5:00 |
| 2022-07-23 | UFC Fight Night: Blaydes vs. Aspinall | Lightweight | Jai Herbert def. Kyle Nelson | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2020-09-12 | UFC Fight Night: Waterson vs. Hill | Featherweight | Billy Quarantillo def. Kyle Nelson | KO (punch) | 3 | 0:07 |
| 2019-09-21 | UFC Fight Night: Rodríguez vs. Stephens | Featherweight | Kyle Nelson def. Polo Reyes | TKO (punches) | 1 | 1:36 |
| 2019-05-04 | UFC Fight Night: Iaquinta vs. Cowboy | Featherweight | Matt Sayles def. Kyle Nelson | Submission (arm-triangle choke) | 3 | 3:16 |
| 2018-12-08 | UFC 231: Holloway vs. Ortega | Lightweight | Carlos Diego Ferreira def. Kyle Nelson | TKO (punches) | 2 | 1:23 |