Jeff Caxide is an American bassist, best known for his time with post-metal band Isis, of which he was a founding member and present until its dissolution in 2010. He was also a founding member of Red Sparowes, but left after the release of their first full-length. He also contributed to side-project Spylacopa. Prior to his time in Isis, he was a touring member of the Boston metalcore band 454 Big Block. He also helped found Connecticut-based metalcore band Cable, for whom he played bass.