This article is about the duo. For solo careers after split-up, see separate articles UFO (musician) and Yepha

UFO & Yepha is a famous Danish music duo made up of Kristian Humaidan (born in 1981) known by his stage name UFO and Jeppe Bruun Wahlstrøm (born in 1983) known by his stage name Yepha. The duo was from Svendborg, then Aarhus finally moving to Copenhagen in their last years. UFO & Yepha split-up in 2011. At times, the duo were also known as Whyyou (taking lead from first letters of their names "why" (Y) for Yepha and "you (U) for UFO).