The best-selling Girl Scout cookie is Thin Mints , and it has held that top spot for years, consistently accounting for the largest share of total cookie sales.

Quick Scoop

  • Thin Mints are widely reported as the number one best-selling Girl Scout cookie, often leading sales by a significant margin each season.
  • Other top favorites that usually follow behind Thin Mints include Samoas/Caramel deLites and Tagalongs/Peanut Butter Patties.
  • Even with new flavors debuting in 2026 like the Exploremores rocky-road–style cookie, Thin Mints remain the classic benchmark fans compare everything else against.

TL;DR: When people ask “what is the best selling Girl Scout cookie” , the answer is Thin Mints, year after year.

Information gathered from public forums or data available on the internet and portrayed here.