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Look up old hat in Wiktionary, the free dictionary.
Old hat could refer to:
- The 1972 song "Old Hat" from the album Uncle Dog by the group of the same name
- The 1997 song "Old Hat" from the album Where Have All the Merrymakers Gone? by Harvey Danger
- Old Hat Stakes, an annual horse race in Florida
- Old Hat, a 1960s race horse for which the Old Hat Stakes are named