Star Trek II might refer to:

• Star Trek II: The Wrath of Khan, second of the Star Trek movies
• Star Trek: Phase II, a canceled project for a live-action sequel series to the original Star Trek
• Star Trek 2, a collection of TOS Season 1 episode novelizations, written by James Blish
• Star Trek Log 2, a collection of animated Star Trek episode novelizations, written by Alan Dean Foster
• Star Trek Into Darkness, the sequel to 2009's Star Trek

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