Ruth Allyn Marcus (born May 15, 1958) is an American political commentator and journalist who currently writes an op-ed column for The Washington Post.
In March 2007, she was a finalist for the Pulitzer Prize for Commentary.
Unusual among the majority of journalists, she is also a law school graduate, although she opted to continue with a career in journalism versus practicing law as an attorney.
Ideologically and politically, she identifies as a liberal and is a member of the Democratic party.