National Cheese Fondue Day 2025 Theme. Observed annually on april 11th, national cheese fondue day recognizes a food holiday many enjoy. Celebrate national cheese fondue day by exploring the origins of cheese fondue and learning some fun fondue facts—plus tips for hosting your own fondue party.

April 11th is national cheese fondue day. April 11th is national cheese fondue day and it’s time to celebrate with a cheesy feast!