Peter G. Angelos (born July 4, 1929 in Pittsburgh, Pennsylvania), is an American trial lawyer.
Angelos is also the majority owner of the Baltimore Orioles, a baseball team in the American League East Division.
Angelos is a graduate of Eastern College of Commerce and Law the University of Baltimore School of Law. He began work as a criminal defense lawyer following graduation. For most of his legal career Angelos made a living as a lawyer representing Baltimore labor unions and their members in his own private practice, which he founded in 1961. Beginning in the 1980s, Angelos refashioned his firm from criminal law to civil class action suits. In 1982, his wealth and law firm expanded exponentially when he represented a large number of plaintiffs in asbestos litigation and won. He reportedly made over $100 million on this single case. Angelos was also enormously successful in representing the state of Maryland as lead attorney in a suit against Philip Morris and suing Wyeth, the makers of part of the diet pill combination fen-phen. It was after this that he became a major player in the Baltimore community. Angelos's law firm currently has offices in Baltimore; Philadelphia; Cumberland, Maryland; Harrisburg, Pennsylvania; Wilmington, Delaware; and Knoxville, Tennessee.