Marc Smith may refer to:
Marc Smith (born 1960) is a British bridge player, columnist and writer. Marc Smith represented Great Britain as a junior, winning the 1985 European Union Junior Teams Championship. He has a host of wins in national events, and reached the final of the World Mixed Pairs Championship playing with his wife, Charlotte. His book, co-authored with Barbara Seagram, 25 Bridge Conventions You Should Know, won the American Bridge Teachers' Association 1999 Shirley Silverman Award for Best Student Book.
Marc Smith (died 24 December 2006 in London) was an American born actor who appeared in several films, occasionally dubbing parts in Japanese anime.