Sonic the Hedgehog Official Merchandise (or Sonic Official Merch/Sonic Merch) is an online website that sold merchandise related to the Sonic the Hedgehog series. They have sold many things like puzzles, collectibles, by Jazwares, bobble-heads, posters, shirts and other apparel; plushies, and related electronic items. These items were also given out and could be bought every year at Summer of Sonic. The Sonic Online Trading Cards could also be on sold on the website with codes for the two free packs of cards.

The website was officially closed in July 2017. It was soon replaced three months later with the Sega Shop.