Steve Hansgen is a musician from Washington, D.C. who played bass in the hardcore punk band Minor Threat in the fall of 1982 while original bassist Brian Baker switched to second guitar. Hansgen appeared on the Out of Step LP then left Minor Threat when its founding members decided to return the band to its original configuration.
Hansgen later formed Second Wind with Minor Threat roadie Rich Moore and also had a three piece hardcore band with Minor Threat guitarist Brian Baker called Middle Aged Brigade. Hansgen later played guitar in the reformed Meatmen on their album Rock & Roll Juggernaut.
In the 1990s, Hansgen worked with Tool for their first EP, Opiate (1992) and played bass in Emmapeel with Government Issue vocalist John Stabb.
In 2009, Steve Hansgen joined fellow D.C. punk rockers Mike Dolfi, Boyd Farrell (both from Black Market Baby) and Phil Ricche (of The Intentions) in the band Rustbuckit.
Steve Hansgen has a wife that works in performing arts. Together they have one son.