Dan-Erland Swanö (born 10 March 1973), also known as Dan "The Man" Swanö, is a Swedish musician and record producer who is currently the vocalist, guitarist, ex-bassist and ex-drummer for the band Nightingale, lately vocalist, keyboardist and drummer for the band Witherscape, as well as the owner of Unisound, but he achieved fame as the vocalist and songwriter of progressive death metal band Edge of Sanity.
As a multi-instrumentalist he is regarded as influential in the underground melodic death metal, black metal, progressive metal, death metal, progressive rock, and power metal communities. He is known for his progressive rock-influenced songwriting style and his frequent use of both clean and growled vocals.