Free Donut Day Dunkin 2024. On june 7, head to any dunkin’ location.  — on national donut day, dunkin’ restaurants nationwide are offering guests a free classic donut of their choice with the purchase of any beverage, while supplies last.

 — that’s right.on june 3 rd, get a free donut from dunkin’ with any beverage purchase in celebration of national donut day. Customers who visit this popular doughnut chain will get a free classic donut with a drink purchase.