Erwin II von Gleichen

Erwin II (c. 1124 – 7 September 1192) was the son of Count Ernst I of Tonna. He appears in 1154 as count of Tonna and Vogt of Gerode Abbey, and in 1162 he is the first of his line to style himself count of Gleichen, the name his dynasty afterwards bore.

He died on 7 September 1192 and was buried in the Peterskloster in Erfurt. His sons, among them Lambert II and Ernst III, divided the inheritance.