Dunkin Donuts Free Donut 2024. 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.
Come celebrate national donut day with us! “the magic donut, the one that melts in your mouth.”.