- Source: Jirokichi
- Daftar karakter Detektif Conan
- Kaito Kuroba
- Meitantei Konan Gōka no Himawari
- Meitantei Konan Tenkuu no Rosuto Shippu
- Nezumi Kozō
- Jirokichi
- Jirokichi Yamada
- Oatsurae Jirokichi Koshi
- San'yūtei Enchō
- Case Closed: Sunflowers of Inferno
- List of Case Closed characters
- Kaito Kuroba
- Detective Conan: The Lost Ship in the Sky
- Eiji Yoshikawa
Jirokichi (written: 次郎吉 or 次朗吉) is a masculine Japanese given name. Notable people with the name include:
Nakamura Jirokichi (仲村 次郎吉, 1797–1831), better known as Nezumi Kozō, Japanese thief and folk hero.
Jirokichi Yamada (山田 次朗吉, 1863–1930), Japanese swordsman.