Sui Ishida is a Japanese manga artist born on December 28, 1986, in Fukuoka Prefecture, Japan. He is popularly known for his dark fantasy manga series Tokyo Ghoul and Choujin X.

In 2010, Ishida won the Young Jump 113th Grand Prix award with Tokyo Ghoul (東京喰種, Tōkyō Kushu). In March 2011, the same oneshot was published in the 2nd Issue of Miracle Jump. Later in September 2011, Tokyo Ghoul started as a series in Weekly Young Jump 2011-41 Issue.

In December 2011, he created another oneshot about Rize, published in Miracle Jump 6th Issue and later collected in the 6th volume of Tokyo Ghoul. In 2013, he started Tokyo Ghoul: Jack in the digital magazine Jump LIVE.

Sui Ishida is his pen name; his real name and appearance remain unknown.