Oklahoma State Cowboys

Current depth chart

Depth relationships

Bio

Landon Dean is a 6'5", 290-pound right defensive end from Frontenac, Kansas, who has spent his entire collegiate career at Oklahoma State. A redshirt senior, Dean enrolled early in the spring of 2022 and appeared in one game as a freshman before seeing limited action in three contests during his sophomore year. In 2025, he played all 12 games and earned his first six starts, including the season opener against UT Martin and the final three games. Dean finished with 10 tackles—nine solo—one sack for a loss of two yards at Arizona, and one tackle for loss, posting a season-high four tackles in the finale against Iowa State. From Frontenac · Frontenac, KS.

Landon Dean appeared in 12 of 12 games in 2025.

Player information

Career path