Beltane or Beltaine is an ancient Gaelic holiday celebrated on May 1st (May Day) and the modern Irish word for the month of May.

Beltaine or Beltaine can also refer to:

• Beltaine (album), an album by Inkubus Sukkubus
• Beltaine (band), a Polish celtic-rock music band
• Beltane (band), a Celtic doom metal band
• Beltaine (band), a Czech pagan metal band
• Beltane (portuguese band), a band of Irish music
• Beltane Fire, a 1980s rock group,
• The Beltane Fire, a composition by Peter Maxwell Davies
• "Beltane Walk", a song by Marc Bolan and T. Rex
• "Beltane", a song by Jethro Tull
• "Huron 'Beltane' Fire Dance", a song by Loreena McKennitt from her album Parallel Dreams.
• Beltane Fire Festival
• The Beltanes, a Glasgow, Scotland-based rock band

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