Two-state (or variants) may refer to:
Two-state quantum system, in physics Two-state trajectory in biophysics 2 States: The Story of My Marriage, a novel by Chetan Bhagat 2 States (2014 film), a Bollywood film based on the novel 2 States (soundtrack), soundtrack by Shankar–Ehsaan–Loy for the film 2 States (2020 film), an Indian Malayalam-language film Two Chinas Special state-to-state relations, also called "Two-state theory", proposed by Lee Teng-hui in 1999.
See also Two Nations theory (disambiguation) Two-state solution (disambiguation)