Unter Null (german for Less than Zero) is a comic zine published in Cologne, Germany. The publication started as a collaboration between homeless people. The zine was meant to be a platform for communication and a self-help project. First Issue (#0) was self–published 1995 and was sponsored by Carpe Diem e.V.
Starting with issue #1 Unter Null was self–published and financed by the collective. Contributions by Apollo, Hiu-Hiu, Fliege, Florian, Gemmel and Sochlez & Schulze (aka Oliver Scheibler). Format of the first issues was A4.
Distributors to #2 are Gemmel, Jonas, Hiu Hiu, Onkel '87, Jo Zimmermann, Ulevir Sochlez and Fliege.
Issues of Unter Null are included in the collection of the St. Patrick's Zine Library.