Clive Junior Atwell (born 11 November 1988) is a Guyanese former professional boxer who competed from 2010 to 2015 and challenged for the WBC featherweight title in 2014.

Atwell won gold at the Caribbean Amateur Boxing Association championships in Trinidad in 2006[1] and the bronze medal at the 2007 Pan American Games in the Bantamweight category.

[1] Atwell challenged for his first world title on May 24, 2014 against WBC Featherweight champion Jhonny González, but lost by tenth-round technical decision.

[3] He fought Kye Mc Kenzie for the Interim PABA super featherweight title in Melbourne, Australia, but lost and was hospitalized after the fight, His next win was against Jamaican Sakima Mullings on 21 February  2015, for the super lightweight CABOFE WBC title.

He was immediately hospitalized and later went to the US for corrective cranial surgery[4] effectively ending his boxing career.