Alexander Hernandez (born October 1, 1992) is an American mixed martial artist currently competing in the Featherweight division of the Ultimate Fighting Championship.

[4] Hernandez began wrestling at the age of 13 and started training in other martial arts as he progressed through education.

[4][8] Hernandez compiled an amateur MMA record of 3–0 before making his professional debut in the spring of 2012.

Hernandez made his promotional debut as a short notice replacement filling in for Bobby Green against Beneil Dariush on March 3, 2018, at UFC 222.

[20] The fight was the subject of much debate, with 11 of 13 media outlets scoring the bout in favor of Trinaldo.

[22] However, Makhachev was removed from the event after Russia restricted air travel due to the COVID-19 pandemic and was replaced by Omar Morales.

[24] Hernandez was rescheduled to May 13, 2020, at UFC Fight Night: Smith vs. Teixeira and faced Drew Dober instead.

[32] However, Santos was forced to withdraw from the event, citing a calf injury and was replaced by Mike Breeden.

[39] Hernandez faced Jim Miller, replacing Gabriel Benítez on February 18, 2023, at UFC Fight Night 219.

[46] On short notice and replacing Nate Landwehr, Hernandez faced former LFA Lightweight Champion Austin Hubbard on October 5, 2024 at UFC 307.