See also: Deals National Donut Day Free donut Get a Free Donut from Dunkin' Donuts today for National Donut Day Use your key for the next articleNext: How Does Solar Energy Work? June 6, 2014 9:14 AM MST Facebook Twitter Pinterest Linkedin Google Plus Comment Free donut from Dunkin' Donutswww.dunkindonuts.com Here's a great freebie today for you: Dunkin' Donuts is offering a free donut in honor of National Donut Day! Simply purchase a beverage and they'll throw in your favorite donut free. Visit Dunkin' Donuts to find a location nearest you. Enjoy!