Kenichi Mochizuki is a Japanese voice actor affiliated with the talent agency ARTSVISION. He was born on March 16 in Kanagawa Prefecture and has blood type B.

Mochizuki began his career in voice acting around the year 2000. His debut role was as a crew member in the anime series Silent Möbius. In the early 2000s, he built a portfolio of supporting roles in a wide array of popular television anime. His work from this period includes appearances in series such as Wolf's Rain, GunGrave, Kino's Journey, and Fullmetal Panic? Fumoffu in 2003, followed by roles in Mobile Suit Gundam SEED Destiny, Keroro Gunsō, and Samurai 7 in 2004.

He continued to work prolifically throughout the mid-to-late 2000s and into the 2010s. During this time, his credits expanded to include roles in high-profile series such as Bleach, where he voiced Takekuni Takeyashiro, and The Melancholy of Haruhi Suzumiya, in which he played Yusuke Suzuki. Other notable television credits include少年陰陽師, Darker Than Black, and Blue Exorcist. He also contributed voices to the OVA series Mobile Suit Gundam MS IGLOO and the web anime幕末機関説 いろはにほへと.

In addition to television, Mochizuki has participated in several animated films. His filmography includes roles in Ghost in the Shell 2: Innocence (2004), Sword of the Stranger (2007), and The Sky Crawlers (2008). He has also voiced characters in video games, with credits including Namco × Capcom, Tales of Rebirth, and the Super Robot Wars series.

Among his specific roles, Mochizuki voiced Viscount Pygman in the 2009 television anime Mazinger Edition Z: The Impact!, a role he later reprised in the 2012 video game第2次スーパーロボット大戦Z 再世篇. He is also credited in the 2000 anime series Dinozaurs, voicing the character Dino Arch.