Yes, only in small amounts as a treat can a dog eat cranberry sauce. However if the cranberry sauce contains currants, grapes or raisins then NO your dog cannot eat that type of cranberry sauce.
Grapes, currants and raisins are known to be bad for a dogs health and can cause a variety of healthy issues.
In particular grapes are really bad for a dog as they have an unknown toxin in them that can damage a dogs kidneys.
However, as mentioned above dogs can safely eat cranberry sauce if they exclude these ingredients in very small amounts as a rare treat.
The issue with cranberry sauce is that it contains a lot of sugar which in general isn’t good for a dogs health and should be avoided.
So in general there are a lot of better food options for dogs such as dog food. To learn more about what dogs can and cannot eat check out this section of our website.