May 28 is National Hamburger Day, and several restaurants are celebrating the holiday by offering free and discounted sandwiches and other food for those wishing to take advantage of some deals (and wanting a good burger to start off their Memorial Day weekend).

Here's a full list of deals you can get this National Hamburger Day:

Hard Rock Café: Though there aren't any specific deals, locations are participating in a World Burger Tour, providing limited time only burger recipes from around the world.

Huey: If your burger has a gold frill pick inside, your meal will be free

Jack in the Box: Buy one burger, get one free with coupon

Johnny Rocket's: With the purchase of any entrée, soda or shake, get discounted movie tickets

Ruby Tuesday: Sign up for the So Connected e-club to get an offer for a buy one entrée, get one hamburger free deal

Steak & Shake: With coupon, get a Western BBQ 'n Bacon Double Steakburger, Fries and a side for just $4.99

Steak-Out: Select locations are offering a coupon for a $5.00 Cheeseburger, chips and drink meal for pickup only

TGI Friday's: Get a Truffle Stacked Burger (or other options) and a drink (including select alcoholic ones) for just $12.00

Umami Burger: As part of a partnership with Meals on Wheels, anyone who orders an Umami Burger on May 28 will receive a voucher for a free original Umami Burger during the month of June. However, there is an option to donate the cost of the burger to Meals on Wheels instead of keeping it.

Whataburger: Participate in the Hamburger Month coloring contest to be entered for a chance to win Whataburger for a year or a grand prize of $2,500