Brian Faust (born 12 January 1999) is an American track and field athlete.

[1] A member of Garden State Track Club in New Jersey, Faust competed collegiately for Purdue Boilermakers between 2018 and 2021.

[2] He earned All-America and All-Southeastern Conference honors in 2023 while at University of Kentucky.

[3] Faust won the 2024 USA Indoor Track and Field Championships in 2024 over 400 metres.

[4] He was subsequently selected for the 2024 World Athletics Indoor Championships in Glasgow, Scotland where he did not qualify from the heats of the men's 400 metres.