UC2
# UC2

UC2 may refer to:

* German submarine UC-2
   * SM UC-2, a German World War I submarine
* German Type UC II submarine of World War II
* UC2 Kraka, a Danish private diesel-electric submarine
* uranium acetylide $(UC_2)$ see Uranium carbide
* .uc2, archive format for the UltraCompressor II; see List of archive formats
