Japhet Uutoni (also spelled Jafet Uutoni; born 29 June 1979) is a Namibian professional boxer in the light flyweight division.

He was the 2005 Namibian sportsperson of the year in the Namibian newspaper and won a gold medal at the 2006 Commonwealth Games by defeating England's Darren Langley on points (37-24).

Uutoni competes at the 48 kg weightclass and qualified for the 2008 Summer Olympics by beating Manyo Plange.

He was a member of the team that competed for Africa at the 2005 Boxing World Cup in Moscow, Russia.

This biographical article related to a Namibian boxer is a stub.