Winny Chebet is a Kenyan middle-distance runner competing primarily in the 800 metres. She represented her country at the 2013 World Championships reaching the semifinals. In addition she won silver medals at the 2006 World Junior Championships and 2005 World Youth Championships.

The 2006 World Junior Championships in Athletics is the 2006 version of the World Junior Championships in Athletics. It was held from 15 August to 20 August at the Chaoyang Sports Centre in Beijing, the capital of the People's Republic of China.