Gaelic (pronounced /ˈɡeɪlɪk/ for Irish Gaelic and /ˈɡælɪk/ for Scottish Gaelic) is an adjective that means "pertaining to the Gaels". It may refer to:

• Gaelic languages or Goidelic languages, a linguistic group that is one of the two branches of the Insular Celtic languages, including:
  • Primitive Gaelic or Archaic Gaelic, the oldest known form of the Gaelic languages
  • Old Gaelic or Old Irish, used c. AD 600–900
  • Middle Gaelic or Middle Irish, used c. AD 900–1200
  • Classical Gaelic
  • Irish Gaelic (Gaeilge), including Classical Gaelic and Early Modern Gaelic, c. 1200-1600)
    • Gaelic type, a typeface used in Ireland
  • Scottish Gaelic (Gàidhlig), historically sometimes called Erse in Scots and Caledonian English
    • Canadian Gaelic (Gàidhlig Chanada or A' Ghàidhlig Chanadach), a dialect of Scots Gaelic spoken in the Canadian Maritime region
  • Manx Gaelic (Gaelg or Gailck), Gaelic language with Norse elements

• Gaelic Ireland, the history of the Gaels of Ireland
• Gaelic literature
• Gaelic revival, a movement in the late 20th century to encourage both the use of Irish Gaelic in Ireland and the revival of older Irish cultural practices
• Gaelic-Norse, a people of combined Gaelic-Scandinavian culture influential in the Middle Ages
• Traditional Gaelic music, the music of the Gaels

• Gaelic Athletic Association the governing body of Gaelic games such as hurling and Gaelic football ( Éire / Ireland)
• Gaelic games, traditional sports played in Ireland, notably Gaelic football, Gaelic handball, Hurling/Camogie, and Rounders.
  • Gaelic football, an Irish version of football
  • Gaelic handball, an Irish version of handball

• A Gaelic Blessing, a 1978 choral composition by John Rutter
• Gaelic Symphony, an 1896 symphony composed by Amy Beach
• SS Gaelic, two ships of the White Star Line
• SS Empire Gaelic, a ferry in service 1949-60

• Galic (surname)
• Category:Goidelic languages
• Gallic (disambiguation)