National Doughnut Day – FREE Doughnut At Krispy Kreme TODAY The links in the post below may be affiliate links. Read the Full DisclosureJune 4, 2021 by Kim Julian TODAY is National Doughnut Day! Get any Krispy Kreme donut for FREE! Plus, you can get a $1 Original Glazed Dozen with your purchase of any dozen donuts! Head on over to KrispyKreme.com for more details.