Dunkin Donuts Free 2024. The coffee and donut company announced their dunkin' day treat in a facebook post, saying that it's handing out free. More national donut day deals.

Dunkin’s special offer to ring in the holiday is good all day on national donut day, friday, june 4, at participating dunkin’ locations, while supplies last. If you want to score a free donut or drink another day, you can always join the free dunkin’ rewards program.