Dunkin Donuts is offering a free doughnut with any beverage purchase on Friday at locations nationwide, the doughnut chain said in a news release.. Krispy Kreme: Free doughnuts and a $2 dozen ...

Friday, June 6, is National Donut Day and you can get free treats at Duck Donuts, Dunkin', ... Also, you can get a half dozen cinnamon sugar donuts for just $6, available in-store and online.