John M. "Jack" Vergiels (November 21, 1937 – December 16, 2009) was an American educator and politician.
His family moved to Ohio, where Vergiels was raised.
He earned a bachelor's, master's, and doctoral degree in education, all at the University of Toledo.
Vergiels joined the faculty of the University of Nevada, Las Vegas.
Vergiels retained his seat until his 1992 reelection bid, and was succeeded in office by Sue Lowden.