Jari Mäenpää (born 23 December 1977, in Finland) is a Finnish guitarist, keyboardist, bassist, songwriter and vocalist. He is the founder of the band Wintersun in which he performs vocals, plays guitar and keyboards. He also played bass on Wintersun's first album before hiring a full-time line-up. Before forming Wintersun, Mäenpää was best known for his time in the folk metal band Ensiferum, which he joined in 1996 after leaving his prior band named Immemorial.

Read more about Jari Mäenpää on Last.fm.