Is Kit Kat gluten free?

No. It contains gluten. Why: ingredients list wheat.

Hershey, Milk chocolate wafer bar, UPC 034000076666

What the maker says

Not stated

No gluten-free or contains-gluten statement from the maker, and no GFCO listing, is on file.

Ingredients (USDA record)

SUGAR, WHEAT FLOUR, COCOA BUTTER, CHOCOLATE, LACTOSE (MILK), VEGETABLE OIL (PALM OIL, PALM KERNEL OIL), SKIM MILK, MILK FAT, CONTAINS 2% OR LESS OF: LECITHIN (SOY), PGPR, VANILLIN (ARTIFICIAL FLAVOR), SALT, YEAST, BAKING SODA.

USDA FoodData Central, fdcId 2632370, The Hershey Company, published 2023-09-14

Other Kit Kat flavours differ. Check each one below; a verdict for Milk chocolate wafer bar doesn't carry over.
FlavourVerdictChecked
Milk chocolate wafer barContains gluten2026-10-23
DonutContains gluten2026-10-23
Birthday CakeContains gluten2026-10-23
White CremeContains gluten2026-10-23
Dark ChocolateContains gluten2026-10-23
ChurroContains gluten2026-10-23

Hershey gluten policy

"the current products listed below have been fully evaluated and qualify as gluten-free using standards established by the US Food and Drug Administration (FDA)."

www.thehersheycompany.com/en_us/home/ingredients/dietary-needs/gluten-free.html · fetched 2026-10-23

Sources

Source: USDA FoodData Central.