Dustin Tyler Hazelett (born April 29, 1986) is a retired American mixed martial artist who had fought as a Welterweight in the Ultimate Fighting Championship.

[3] Hazelett made his professional mixed martial arts debut in 2004 and compiled a record of 10–2 before being signed by the UFC.

[7] However, Hazelett lost the fight via first-round knockout and was medically suspended shortly after because of an orbital bone injury.

Hazelett was scheduled to make his return against Dan Hardy at UFC 119 after verbal agreements were made.

Hazelett was unsuccessful in his bid when he dropped to Lightweight when he faced Mark Bocek on December 11, 2010, at UFC 124, losing via triangle choke in the 1st round.