Thoki Iwashita (1959-) was a Japanese yakuza who was affiliated with the Shimano-gumi subsidiary of the Tojo-kai clan in Tokyo during the 2000s. In 2005, he and dozens of other Tojo-kai henchmen were beaten down by the renegade yakuza Kazuma Kiryu while attempting to prevent him from escaping from the Tojo-kai headquarters during Chairman Masaru Sera's funeral.