Aaron Chalmers (born 26 May 1987) is an English retired mixed martial artist, reality television personality and professional boxer.

[2] On 4 April 2014, it was announced that Chalmers had joined the cast of Geordie Shore for the eighth series.

[7] He won his second professional fight at BAMMA 31 at the SSE Arena beating Alex Thompson by KO on 15 September 2017.

[14] On 30 August 2023, it was announced that Chalmers would face English professional boxer Idris Virgo (13-0-1) as the headliner to MF & DAZN: X Series 009 at the Vertu Motors Arena in Newcastle upon Tyne, England on 23 September 2023.

In January 2023, it was announced that Chalmers would face former unified multiple division champion Floyd Mayweather Jr. in an exhibition bout, after his original opponent for the fight, Muay Thai fighter Liam Harrison, pulled out.

The bout went the full 8 rounds, there was no scoring and it ended without an official verdict [17] On 15 July 2023, Chalmers fought Irish mixed martial artist Kiefer Crosbie as a "wildcard" bout on the High Stakes Tournament Semi-Finals undercard at the 3Arena in Dublin, Ireland.