Alia Armstrong (born 28 December 2000) is an American track and field athlete.

In June 2022, however, Armstrong won the outdoor NCAA championship in Eugene, Oregon over 100 meters hurdles running a new personal best 12.55 in the semi-finals, and then 12.57 in the final.

[2] Armstrong then finished third in the senior 2022 USATF championship, after running a personal best 12.47 seconds in the final, also held in Eugene, Oregon.

With this performance Armstrong was able to make the USA squad for the 2022 World Athletics Championships, again held in Eugene, Oregon.

[4] She was featured on The Money Game: LSU, a six-part NIL-focused docuseries by Prime Video that followed her, Jayden Daniels, Angel Reese, Flau'jae Johnson, and Livvy Dunne through LSU's 2023–24 sports season.