Abbos Abdurazzoqovich Atoyev (born 7 June 1986) is an amateur boxer from Uzbekistan, best known for winning gold in the light heavyweight competition at the 2007 World Championships where he defeated and upset heavy favourite Artur Beterbiev which to this was his only loss, and at middleweight in 2009.

In June 2007 he won the 2007 Asian Amateur Boxing Championships, beating future Olympic champion Zhang Xiaoping in the final.

At the 2007 World Championships he defeated Frenchman Mamadou Diambang inside the distance, Croatian Marijo Šivolija in the quarterfinals, and Yerkebuian Shynaliyev of Kazakhstan in the semifinals.

In the final, he sensationally upset Russian favorite Artur Beterbiyev after being knocked down in the third and trailing but edging it out back down the stretch.

At the 2012 Summer Olympics, he defeated Moroccan Badreddine Haddioui 11:9, Romanian Bogdan Juratoni 12:10 and Vijender Singh 17:13.