Daniel Heryanto Dewandaka (born 30 November 1969) is an Indonesian-born former professional tennis player who competed in Davis Cup tennis for both Indonesia and Singapore. Born in 1969, Heryanto competed first for Indonesia and was a doubles gold medalist at the 1989 Southeast Asian Games in Kuala Lumpur, then the following year won two bronze medals at the 1990 Asian Games. He appeared in two Davis Cup ties for Indonesia during his career, against China in 1990 and India in 1991, for a 2/4 overall record.