Avenarius Johannes a Protestant theologian, born at Eger in 1520, died at Zeitz, Dec. 5,1590. After having been in succession pastor at Plauen, Gessnitz, Schoenfels, he was appointed professor of theology at Jena, and in 1575 became superintendent at Zeitz. He is the author of a celebrated Prayer-book, which went through a great number of editions (Strasburg, 1578, etc.), and was translated by Zader into Latin. He also published a Hebrew Grammar and Dictionary, and several other works. — Hoefer, Biographie Generale, 3, 826.