Eric Wagner (born April 24, 1959) is an American heavy metal singer who is best known for his work with doom metal band Trouble, which he formed in 1979 when he was 20 years old. He briefly left Trouble in the mid-nineties and formed Lid with guitarist Danny Cavanagh, resulting in 1997's In The Mushroom. Wagner rejoined Trouble in 2002 to record Simple Mind Condition. He also appeared on Dave Grohl's heavy metal side project Probot in 2004 with the song My Tortured Soul.
On May 2, 2008 Wagner announced he was leaving Trouble to pursue other musical interests and projects.
Most recently, Wagner has been recording under the band name Blackfinger. He also recently formed The Skull, which also features former Trouble bassist Ron Holzner.