David Deron Haye (born 13 October 1980) is an English (English people) professional boxer (professional boxing), and current WBA (World Boxing Association) World Heavyweight Champion (List of current world boxing champions).

Haye is a former cruiserweight (Cruiserweight boxing) champion, holding the WBA, WBC (World Boxing Council), WBO (World Boxing Organization) and The Ring (The Ring (magazine)) magazine cruiserweight titles. Haye decided to vacate these titles in order to pursue his ambitions in the heavyweight division. His training camp is based in Kyrenia (Lang-trGirne), in Cyprus and he has worn the flag on his shorts alongside the Cross of St. George and the Union Flag except the fight against Valuev.