In many places, restaurants are open on Christmas Day. However, hours and menu options may vary depending on where you live. It's best to call ahead or check the restaurant's website to confirm that they will be open and what their hours of operation will be. Some popular restaurant chains that are usually open on Christmas Day include McDonald's, Starbucks, IHOP, Denny's, and Waffle House. Keep in mind that many smaller, independent restaurants may be closed on Christmas Day.