Dunkin’ Nationwide chain Dunkin’ offers a free hot or iced coffee with any purchase for its Dunkin' Rewards members. Limit ...

Krispy Kreme is offering a free medium hot or iced coffee with any purchase on National Coffee Day. The chain is also ...

Head to Duck Donuts on National Coffee Day for a free medium hot coffee or cold brew with any purchase in-store or online.

Coffeehouses across the US, including Starbucks and Dunkin', are offering free coffee, discounts on subscriptions and more.