Carl Werner Hansen (born in Slagelse), commonly known as Carl W. Hansen, is a Danish former football referee and linesman, who officiated in the Danish top-flight, second-tier and third-tier including lower ranking leagues in the 1950s and 1960s and in both European and UEFA sanctioned club tournaments. From 1962 until 1969, he was a full international for FIFA, and officiated international friendlies and competitive games at senior, secondary 'B' team and under-19 level.