Coca-Cola C2 (also referred to as Coke C2, C2 Cola, or simply C2) was a cola-flavored beverage produced in response to the low-carbohydrate diet trend.

It contained aspartame, acesulfame potassium, and sucralose in addition to the high fructose corn syrup (and Sugar in Japan) typically found in cola beverages distributed in America.

[4] The drink launched in Japan on June 7, 2004, with an advertising campaign featuring Japanese footballer Hidetoshi Nakata.

[5] The drink's launch in the United States at the end of the month was promoted on radio and television, and movie theaters initially using The Rolling Stones' "You Can't Always Get What You Want" and later Queen's "I Want to Break Free".

A planned launch for C2 in the United Kingdom was aborted in December 2004 after research had showed fears that the drink would overtake Diet Coke in sales.