Choose from 15 Coca-Cola coupons that include promo codes and free shipping deals for May 2016. Our top coupon is a 15% Off coupon code. It's an American Classic. Coca-Cola has been a refreshing favorite for years, and its legacy speaks for itself. For deals on Coca-Cola products, merchandise and fan-gear, you've come to the right place! Cater to your love of Coke or buy for a Coke fan you know, and save using these coupons.