Helmut Rix (4 July 1926, in Amberg – 3 December 2004, in Colmar) was a German linguist and professor of the Sprachwissenschaftliches Seminar of Albert-Ludwigs-Universität, Freiburg, Germany.
He is best known for his research into Indo-European and Etruscan languages, as well as for being the author of the hypothesis of Tyrrhenian languages.