Martin Sorrondeguy (born December 3, 1967) is the singer of American hardcore punk bands Los Crudos and Limp Wrist,[1] the founder of the DIY record label Lengua Armada Discos, and a prominent figure in both the straight edge scene and the queercore scene.

[6] It was during the time he was vocalist for Los Crudos that Sorrondeguy made his sexuality public and began to speak out about it.

In 1997, he appeared in Scott Treleaven's documentary film Queercore: A Punk-U-Mentary and spoke about being gay in the hardcore punk scene.

Since the early 2000s, Sorrondeguy has been very active in solo and group photo exhibitions of his photography, which has also been regularly documented in his semi-regular 'zine, Susto.

Sorrondeguy has been an occasional guest lecturer on his experiences in Canada, Brazil, Australia and the U.S.[9] Los Crudos continues to tour, embarking on U.S. and Scandinavian dates in 2016.