Anthony Dean Rapp (b. October 26 1971 in Chicago) is an American stage and film actor best known for originating the role of Mark Cohen in the Broadway production of Rent in 1996 and later for reprising the same role in the film version. He also performed the role of Charlie Brown in the 1999 Broadway revival of You're A Good Man, Charlie Brown.

Anthony Rapp started his career at the age of six, and received his first professional job at the age of nine. His breakout came when he originated the role of "Mark Cohen" in Jonathan Larson's production of the Broadway musical "Rent". He can be heard on the original cast recording.