Dunkin National Donut Day 2024 Calendar. This food holiday celebrates the delicious doughnut and honors the salvation army lassies.  — to this day, several chains and franchises celebrate national donut day, including dunkin’ and krispy kreme, by offering free food and deals.

Dunkin’s countdown to national donut day has begun: Dunkin’ donuts will commemorate the national donut day holiday by offering guests a free donut* of their choice (while supplies last) with the purchase of any beverage.