FNG may refer to:

• F.N.G. (album), by American crossover thrash band Suicidal Tendencies
• Fanagalo, a pidgin of southern Africa
• Faridabad-NOIDA-Ghaziabad expressway, a planned expressway in India
• Farthest neighbor graph
• Foclóir Stairiúil na Nua-Ghaeilge, the Dictionary of Modern Irish
• Friends of New Germany, a defunct American pro-Nazi organization
• National Guarantees Fund (Spanish: {{lang|es|Fondo Nacional de Garantías}}), an agency of the government of Colombia
• Fox Networks Group
• Fucking New Guy, a derogatory term first used by the United States military during the Vietnam War

• The Cockettes (film)
• The Cockman Family
• The Cockpit
• The Cockpit (OVA)
• The Cockroach
• The Cockroaches
• The Cocktail Cowboy Goes It Alone
• The Cocktail Party
• The Cocoa Exchange
• Thecocoelurus
• Thecocoelurus daviesi
• The Coconuts
• The Cocoon and the Butterfly
• The Cocos (Keeling) Islands
• The code
• The Code (2001)
• The Code (2001 film)
• The Code (band)
• The codebrakers
• The Coded Map of the City Case
• The Code of Conduct
• The Code of the Woosters
• The Codes
• The Code (Smart Guy)
• The Codetalkers