A harp is a stringed musical instrument.

Harp may also refer to:

• Clàrsach, a form of harp used in Ireland and Scotland from ancient times
• Blues harp, a style of harmonica-playing in blues. Also refers to a diatonic harmonica itself.
• Jew's harp, an old instrument that is placed in the performer's mouth and plucked
• Harp, a generic term for drums used in Rastafarian grounation ceremonies; these include the bass drum, funde, and kété

Government projects

• Project HARP (High Altitude Research Project), a joint American-Canadian ballistic re-entry vehicle research project
• High Frequency Active Auroral Research Program (HAARP), a communication and surveillance systems research project

Popular culture

• Harp Lager, a brand of beer
• Harp (magazine), an alternative music magazine
• High Adventure Role Playing, a role-playing game
• HARP, the title of a 1985 folk album, which is an acronym of the album's artist names: Holly Near, Arlo Guthrie, Ronnie Gilbert, and Pete Seegerhttp://www.peteseeger.net/discogra.htm

Other

• Heparin affin regulatory peptide (also called pleiotrophin) a growth factor protein that has a high affinity for heparin
• Harpe, a type of sword
• HARP (Highly Available, Reliable Persistent) file system, an experimental computer file system developed at MIThttp://pdos.csail.mit.edu/6.824/papers/harp.pdf

See also

• Harper