Craig John Duby (born 20 February 1949), former Australian politician, was a member of the unicameral Legislative Assembly of the Australian Capital Territory between 1989 and 1992, elected to the multi-member single constituency Assembly as a representative of the No Self-Government Party. During his term in office, Duby was a member of the Independents Group and the Hare-Clark Independent Party. Duby was the Minister for Finance and Urban Services and briefly was the Minister for Housing and Community Services in the Kaine ministry. For part of one day, he served as the Leader of the Opposition.