Mary McInnis Boies (born Mary McInnis; formerly also known as Mary Schuman; born June 30, 1950) is an American attorney working as counsel to Boies Schiller Flexner LLP, where she specializes in antitrust and corporate commercial litigation. Mrs. Boies was a founding partner of the American law firm Boies & McInnis LLP. The law firm, established in 1988, specialized in antitrust and corporate commercial litigation.