Brennschluss was a science fiction fanzine by Irene Gore, Ken Potter and Dave Wood.
Published in the UK, the first issue of Brennschluss was a one sheet that appeared in the Supermancon Combozine in 1954. Issue 2, consisting of 44 pages this time, arrived in August 1955, with a special letters supplement published the same year. The third issue was published in April 1958, and the fourth in Spring 1969. The fifth issue was released in 1961, and was also included in the mail out of the Offtrails Magazine Publishers Association APA. Issue six was the last issue, released in the early sixties.
Contributors included Mal Ashworth, whose work was later included in the reprint zine Entropy, published by Terry Carr.