Johnny Petersen (born 27 November 1947) is a Danish football manager and former player who most recently was caretaker manager of Akademisk Boldklub.
As a player, he represented Akademisk Boldklub and B 93 in his native country and FC St. Pauli in Germany.
He played three games for the Denmark national team.
As a coach, he most notably coached Herfølge BK and FC Nordsjælland in the Danish Superliga.