Nicaria may refer to

• Another name for Icaria, a Greek island
• A German ship, launched 1901, seized by the United States and renamed {{USS|Pensacola|AK-7}}
• Nicaria (moth), a genus of moths

• Parliamentary records
• Parliamentary records of the United Kingdom
• Parliamentary Reform Act 1832
• Parliamentary representation by historic counties
• Parliamentary representation from Bedfordshire
• Parliamentary representation from Berkshire
• Parliamentary representation from Buckinghamshire
• Parliamentary representation from Cambridgeshire
• Parliamentary representation from Cornwall
• Parliamentary representation from Cumberland
• Parliamentary representation from Devon
• Parliamentary representation from Huntingdonshire
• Parliamentary representation from Isle of Wight
• Parliamentary representation from Middlesex
• Parliamentary representation from Rutland
• Parliamentary representation from Westmorland
• Parliamentary republic
• Parliamentary Republic
• Parliamentary Republic (Chile)
• Parliamentary responsibility
• Parliamentary Secretaries
• Parliamentary Secretaries of the 10th Dail
• Parliamentary Secretaries of the 10th Dáil
• Parliamentary Secretaries of the 11th Dail
• Parliamentary Secretaries of the 11th Dáil