Feel 100% (Chinese: 百分百感覺) is a popular Hong Kong comic book series written by Lau Wan Kit (劉雲傑) and Yau Ching Yuen (游清源). Its popularity has resulted in various adaptations on film and television. To this date there are 4 movies and 1 TV series.

As this comic book is for a Cantonese audience, the dialogue is in the more vernacular written Cantonese, rather than the standard written Chinese.

The main characters are two male best friends, Jerry and Hui Lok (許樂), and their female friend, Cherie. The story revolves around their relationships with others, including Jenny and Kei Kei (琪琪), and each other.

On 26 August 2008, Feel 100% won the Second International Manga Awards. The comic is currently licensed in Hong Kong, Malaysia, Taiwan, Thailand, Korea, Indonesia, Italy, Mainland China and the United Kingdom