No. Candy is concentrated sugar with zero nutrition, and many varieties hide chocolate or xylitol — both of which can kill a parrot. Keep it off the menu entirely.
Keeper's noteTreat all candy as off-limits — the risk isn't worth any imagined reward. If you want to give a sweet treat, a piece of fruit is the right answer.
Why candy is dangerous for parrots
Even setting aside the hazards, candy is pure sugar a bird's body can't use. Worse, the candy aisle is full of outright toxins: chocolate (theobromine), sugar-free candy and gum (xylitol), and artificial colors and flavors. There is no version of candy that benefits a parrot, and several that endanger one.
My parrot already ate some — what now?
If the candy contained chocolate or xylitol (including 'sugar-free' or 'birch sugar' on the label), treat it as an emergency: remove the rest, note what was eaten, and call an avian vet immediately. For plain sugar candy, offer fresh water and watch for digestive upset.