Charlemont may refer to:

• Charlemont, County Armagh, a village in Northern Ireland
  • Charlemont (Parliament of Ireland constituency), a former constituency
  • Charlemont Luas stop, a tram stop in Dublin
• Charlemont, Massachusetts, a town in the United States
• Charlemont, Victoria, a suburb of Geelong in Australia
• Charlemont and Grove Vale, a political ward in Sandwell, England
• Fortress of Charlemont, a fortification along the Belgian border in Givet, France

• George Charlemont (1873–1907), Irish Gaelic footballer
• Joseph Charlemont (1839–1918), French savate and canne de combat teacher
• Viscount Charlemont and other titles in the peerage of Ireland