Ryūji Nakagi (仲木隆司, born on 24 October 1936 as Fumio Nakamoto) is a Japanese voice actor who provided voices for Hashire! The "Thomas the Tank Engine and Friends" Steam Locomotive is Alive!.

He is most recognised for voicing Bansai from "Naruto: Shippuden", Captain Wong from "Starship Operators", Detective Rupert from "Master Keaton", Giraffe from "Cowboy Bebop", Rachmann from "Black Lagoon", Dutch Consul Elsten from "Rurouni Kenshin", Dagao from "Super Dimension Fortress Macross", Electryon from "Appleseed", and Zog from the 2003 "Teenage Mutant Ninja Turtles".