Hironori Shiojiri is a Japanese male voice actor affiliated with the agency Mausu Promotion. He was born on January 29th in Gunma Prefecture. His hobbies and skills include vocal mimicry, impressions, baseball, karaoke, and radio.

Shiojiri began his professional training in 2015, graduating from the 81ACTOR'S STUDIO. He then entered the Mausu Promotion affiliated actor training school in the same year, officially joining the agency in 2017.

His career consists primarily of supporting roles in anime, web animations, and video games. One of his credited anime roles is the Homerun Batter in the 2021 comedy series The Vampire Dies in No Time. His other television anime appearances include roles in series such as JoJo's Bizarre Adventure: Golden Wind, Citrus, and The Millionaire Detective Balance: UNLIMITED. He has also contributed voice work to web animations like the Fate series spin-off Today's Menu for the Emiya Family and the second season of Ghost in the Shell: SAC_2045. In video games, his roles include Dongpo Rou in Food Fantasy.

Information regarding recurring collaborations with specific directors or fellow voice actors, as well as distinct major achievements or awards, is limited. His career is noted for its steady accumulation of supporting roles across a variety of productions since his debut.