Free Donut Day Dunkin 2025. Dunkin' dunkin’ is celebrating national donut day on friday, june 7, 2025 by offering a free classic donut when you buy a beverage at participating locations. To celebrate the occasion, dunkin' is giving away free donuts to customers while supplies last.

All members get a free medium drink with any purchase the first. This friday, june 7, 2025, is national donut day.