|First appearance:||Anime: Movie 3|
|Japanese voice:||Takayuki Inoue|
|English voice:||Greg Silva|
Detective Yokoyama (横山 Yokoyama) is a character in the anime and movie franchise Detective Conan.
Yokoyama is a detective from the Tokyo Metropolitan Police Department, Division One Investigations. Initially he was part of the Criminal Affairs, Division Two. He loves Sato and is thus jealous of Takagi, so much to plot with all the police because he remains single.
- During the murder case at the Haido City Hotel, Chris Vineyard is interrogated in English by Ida, whereas in the scenes of the credits by Yokoyama.