Mary Ellen Barbera (born September 10, 1951) is an American lawyer and jurist from Baltimore, Maryland.

In 1975, Barbera earned a bachelor's degree from Towson State College.

In 1984, Barbera earned a JD degree from University of Maryland School of Law.

Until 2008, she served as a judge on the Court of Appeals representing the 7th Appellate Judicial Circuit (Montgomery County).

[3] On July 3, 2013, Governor Martin O'Malley appointed Judge Barbera as successor to former Chief Judge Robert M. Bell, who reached the mandatory retirement age of 70.