John Hahn-Petersen (November 4, 1930 in Frederiksberg – January 4, 2006) was a Danish theatre, TV and movie actor. He made his debut in 1955 and starred in a number of productions, including Matador, Landsbyen, and Taxa. In 2006 he had one of the leading roles in Henri Nathansen's Indenfor Murene at Det Kongelige Teater, Denmark. He died at the age of 75 of a heart attack, shortly before he was to appear on stage. Following his death Indenfor Murene was cancelled.