Harlequin F.C. was created in 1866.
Harlequin Enterprises was created in 1949.
Harlequin Valentine was created in 2001.
Requiem for a Harlequin was created in 1970.
Harlequin beetle was created in 1758.
Harlequin Melodies was created in 1968.
Harlequin Duck was created in 1758.
Harlequin League was created in 2007.
Harlequin Air was created in 1997.
Harlequin Air ended in 2005.
Harlequin Games was created in 1994.
Harlequin darter was created in 1887.