Galaxy X

Galaxy X may refer to:


 * Galaxy Nexus, a smartphone released in 2011, marketed in Brazil as the "Galaxy X"
 * Galaxy X (galaxy), a postulated satellite galaxy of the Milky Way Galaxy
 * "Galaxy X" (trilogy), a 2009 trilogy of The Hardy Boys novels, see List of Hardy Boys books
 * Galaxy X (novel), a 2009 novel in the eponymous trilogy of "The Hardy Boys" novels, see List of Hardy Boys books