The latest happened at the Domino's Pizza on the unit block of Sunset Road in Willingboro, Burlington County.
Police say an armed gunman walked in at about 1:30 Sunday morning and took off with an unknown amount of cash.
A similar robbery on the 3200 block of Chichester Avenue in Upper Chichester, Delaware County.
Police say a man dressed in dark clothing walked into another Domino's about midnight, armed with a gun and demanded money.
So far, no arrests in either robbery.