Genji (元治) is a Japanese era name (年号, nengō; lit. "year name") after Bunkyū and before Keiō. This period spanned only slightly more than a single year from March 27, 1864 until May 1, 1865. The reigning emperor was Kōmei-tennō (孝明天皇).
The new era name was derived from the I Ching.