There are multiple artists with this name:
Not to be confused with Wig Wam, the Norwegian pop-metal band that entered the 2005 Eurovision Song Contest with the song "In My Dreams." 1) WigWam is a Finnish progressive rock/art-rock band formed in 1968. In the beginning Wigwam consisted of Ronnie Österberg (drums), Mats Huldén (bass), Jim Pembroke (vocals), Jukka Gustavson (keyboards) and Vladimir "Nikke" Nikamo (guitar).

Read more about Wigwam on Last.fm.