Free Donut Day Dunkin 2025. The holiday, celebrated on the first friday of june, was established by the salvation army in 1938 to honor the “donut.  — celebrate national donut day 2025 with some free and discounted donut deals at dunkin, krispy kreme and more.

Join dunkin’ rewards to unlock exclusive benefits, starting with a free medium drink with purchase your first two weeks as a member! In addition to this offer, dunkin’ has collaborated with scrub.