Lothar Baier (Born Karlsruhe 16 May 1942: died Montreal 11 July 2004) was a German author, publisher, translator and co-founder of the Literary periodical text + kritik.
He was accepted as one of the most profound German thinkers of the Francophone World and was recognized with the 1982 Jean Améry Prize for Essayists and with the 2003 Gerrit Engelke Prize. Baier published amongst others in the Merkur, in the Kursbuch and in the Deutschlandfunk and was for many years the editor of the Die Wochenzeitung (WOZ) in Zürich.
On 11 July 2004, Baier committed suicide in Montreal, Canada.