 Plain bread is generally not toxic to cats, which means that food curious kitties aren't likely to be harmed by snagging an occasional bite of it. That being said, bread is not a healthy treat to incorporate into your cat's diet. Or cats with certain medical issues, it can even be dangerous to consume. It's also important to note that bread should never be a regular part of your cat's diet or treat regimen, and their portion should be both small and offered on rare occurrences only. As with any food you're considering offering your cat, consult your veterinarian first to ensure it's an appropriate snack for them.