Is SunChips gluten free?

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

Frito-Lay, Original, UPC 028400147415

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)

WHOLE CORN, SUNFLOWER AND/OR CANOLA OIL, WHOLE WHEAT, BROWN RICE FLOUR, WHOLE OAT FLOUR, SUGAR, AND SALT.

USDA FoodData Central, fdcId 2672327, Frito-Lay Company, published 2023-11-16

Other SunChips flavours differ. Check each one below; a verdict for Original doesn't carry over.
FlavourVerdictChecked
OriginalContains gluten2026-10-23
Harvest CheddarContains gluten2026-10-23
Chili LimeContains gluten2026-10-23
French OnionContains gluten2026-10-23
Garden SalsaContains gluten2026-10-23

Sources

Source: USDA FoodData Central.