Harlequin is a Canadian rock band that formed in Winnipeg, Manitoba in 1975 and lasted until the mid-1980s. The band is best known for their hit singles "I Did It For Love," "Thinking of You," "Superstitious Feeling," and "Innocence."

In 2004, the band reformed briefly as Harlequin II, and in 2007 the band resurfaced under their original name and released a live album, On/Q Live, in 2009.