McDonald (born March 11, 1966) is an American judge and former politician from Connecticut.
He serves as an associate justice of the Connecticut Supreme Court.
He previously served as a member of the Connecticut State Senate from 2003 to 2011, representing the state's 27th district in Stamford and Darien as a Democrat.
McDonald resigned from the legislature on January 4, 2011 to serve as Governor Dan Malloy's chief legal counsel, a post he left to join the bench.