Anji Iwata is a Japanese voice actor born on January 17, 2006, and affiliated with the talent agency Atomic Monkey. He is a second-generation voice actor, as his father is岩田光央 and his mother is爱河里花子, both established figures in the voice acting industry. His decision to pursue voice acting professionally was solidified during his first year of high school after reading Malcolm Gladwell's book Outliers, which made him realize the importance of his environment, a factor he felt was ideal given his parents' careers. He began training under his mother's guidance, though he initially felt shy performing in front of her. As of available information, he is a student at Keio University.

Iwata's early anime roles include parts in series such as Shadowverse, Ninjala, Call of the Night, and DAN DA DAN, where he voiced minor characters like male students and friends. He also had a role as a student in the series Captivated, by You. His first major recurring role is Kentaro Yamada in the 2026 romantic comedy anime series You and I Are Polar Opposites. The character Yamada is described as a relaxed, friendly, and easygoing classmate, and Iwata has stated that he was a fan of the original manga, practicing the role in advance of the anime adaptation. He has mentioned that he enjoys playing cheerful, honest roles and feels comfortable with school-life themed material.

Information regarding specific recurring collaborations with other voice actors or notable industry achievements, such as awards or major nominations, is not available at this time. His professional profile indicates his hobbies and skills include scuba diving, bowling, dance, holding a准一级 (pre-first grade) English proficiency certification, and brewing green tea.