Depends on where you are located if you are up North Georgia around Atlanta there are plenty of options. The further south you go away from big cities I'm afraid it's pretty slim pickens.
what restaurants are open christmas day in janesville,wisconsin
Restaurants
KFC
Most are
What stores are open in birmingham alabama on christmas day
mostly theres nothing open
IHOP
Most restaurants will be closed on Christmas day. However, if you are a fan of diner food then you maybe able to find that certain diners will be open on Christmas day.
Will Cygnus restaurant be open for Christmas dinner 2012
Ihop is open, at least the one on Jefferson is
McDonalds, Denny's, and the Husky Truck stop in the east end (beside McDonalds)
So far, only Denny's and both IHOPs are going to be open Christmas day. There may be some others... but I haven't found them yet. Check back later