Scissor Seven, also known as Killer Seven (Chinese: 刺客伍六七, Cìkè Wuliùqi) is a Chinese manhua series created by He Xiaofeng, serialized on the website Tencent Dongman between 2016 and 2017. It was followed by an anime-style donghua series aired in China since April 25, 2018 on the websites Bilibili and Tencent Video. The fourth season premiered on January 18, 2023. A film sequel to the series' fourth season was announced at the end of the season's final episode. The teaser trailer of the fifth season was posted on April 25, 2024. The fifth season premiered in China on October 2, 2024. A prequel manhua series, Scissor Seven: Black and White Twin Dragons, has been published on Tencent Dongman and Manga Bilibili since 2021. Scissor Seven debuted in worldwide as a Netflix Original. The series also received a nomination in the TV Film category at the 2018 Annecy International Animated Film Festival.

The clumsy and broke Seven attempts to become a professional killer and opens a barber shop on Chicken Island as a front, initially unaware he is already an infamous (amnesiac) professional killer.

Jonathon Wilson of Ready Steady Cut gave the first season a score of 3.5/5.

Release date: 2 October 2024 (China).

Announced release date: May 2026 (China).

A prequel manhua series, Scissor Seven: Black and White Twin Dragons, has been published on Tencent Dongman since 2021 across two volumes, written by Hei Bai Shuang Long and published by AHA Entertainment, and focusing on the adventures of two best friends, Bai Qi and Mo Lang.

A film sequel to the series was announced at the end of the fourth season's final episode.

In the text, these references are preceded by a double dagger (‡):