Marty A. Bergen (born April 21, 1948) is an American bridge teacher, writer and player.
A ten-time national champion and American Contract Bridge League Grand Life Master, he retired from active competition in 1993.
He was recently voted to be the 22nd most influential person in the history of bridge[citation needed].
His most popular ones are DONT, Bergen raises, 1NT semi-forcing and The Rule of 20.
He and Larry Cohen were one of the most successful pairs in the 1980s, and they later were instrumental in educating players about the Law of Total Tricks.