Huldricus (also Huldaricus, Huldrych, Huldreich) is a variant of the given name Ulrich first introduced by Zwingli in the early 16th century and occasionally used as a variant of the name since.
Huldrych Zwingli (1484âÂÂ1531), leader of the Swiss Reformation
Huldaricus Mutius, latinized name of Ulrich Hugwald (1496âÂÂ1571)