Yö is a Finnish rock band, formed in 1981 in Pori, Finland.

Olli Lindholm was a Finnish singer and guitarist. He was the lead singer of the renowned Finnish band Yö since the early 1980s with a string of hits and albums. In addition, he worked on a solo basis with his own four albums released on various labels including Maailma on kaunis in 2010 that peaked at number one on The Official Finnish Chart Suomen virallinen lista.