Football clubs

• Celtic F.C., a Scottish professional football club based in Glasgow
  • Celtic F.C. Women
• Bangor Celtic F.C., Irish, defunct
• Belfast Celtic F.C., Northern Irish, defunct
• Blantyre Celtic F.C., Scottish, defunct
• Bloemfontein Celtic F.C., South African
• Castlebar Celtic F.C., Irish
• Celtic F.C. (Jersey City), United States, defunct
• Celtic FC America, from Houston, Texas
• Celtic Nation F.C., English, defunct
• Cleator Moor Celtic F.C., English
• Cork Celtic F.C., Irish, defunct
• Cwmbran Celtic F.C., Welsh
• Derry Celtic F.C., Irish, defunct
• Donegal Celtic F.C., Northern Irish
• Dungiven Celtic F.C., Northern Irish, defunct
• Farsley Celtic F.C., English
• Leicester Celtic A.F.C., Irish
• Lurgan Celtic F.C., Northern Irish
• South Lismore Celtic F.C., Australian
• Stalybridge Celtic F.C., English
• Tuam Celtic A.F.C., Irish
• Walker Celtic F.C., English, defunct

• Wayside Celtic F.C., Irish
• West Allotment Celtic F.C., English

Other uses in sports

• Celtic Camogie Club, Dublin, Ireland
• Celtic de Paris, a French rugby league team
• Boston Celtics, an American professional basketball team
• Dewsbury Celtic, an English rugby League club
• Oban Celtic, a Scottish shinty club