The announcement immediately caused fans of the breakfast chain to go insane with speculation, with the most likely option for what the "b" could stand for being "breakfast".
When it comes to those places that already sell burgers, the "B" stand more for "baffling".
Along with the name change, the restaurant's Twitter page is donning a new hashtag: #IHOB.
In fact, most people felt like the "b" was probably going to stand for "breakfast", which would have made a lot of sense. It's "IHOb" International House of Burgers. "I can't understand who thought the breakfast game wasn't working out and that the solution was to become a burger joint".
IHOP wants to be known as a place to get lunch and dinner, not just breakfast and brunch.
Texas-based Whataburger was one of the first companies to chime in on the name change.
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Nevertheless, the change is only temporary, and meant to help roll out their selection of seven, tasty burgers.
Though it remains to be seen if the new moniker is here to stay, several celebrities and other restaurants took to Twitter to share their hilarious reactions to the new name.
Others noted that the Ob in the IHOb logo looked extremely similar to the O.B. brand of tampons.
"Burgers are a quintessential, American menu item so it makes flawless sense that IHOP. would go over the top to create a delicious line-up of quality burgers", said Nevielle Panthaky, the chain's culinary chief.
"We're just expanding our burger horizons", it said.
Legendary fried chicken purveyor Church's Chicken posted an Instagram photo that poked fun at the IHOP name change buzz.