"Dargason" is a seventeenth-century English tune, and may refer to the following:

• The fourth movement, "Fantasia on the 'Dargason'", from the Second Suite in F for Military Band by Gustav Holst
• The fourth movement, "Finale (The Dargason)", from St Paul's Suite, also by Gustav Holst
• "The Irish Washerwoman", a traditional jig claimed to be derived from the Dargason

Dargason may also refer to:

• Dargason (record label) - an independent record label specialising in Celtic music.