Z2

Z2 may refer to:


 * Z2 (computer), a computer created by Konrad Zuse
 * Z2 (company), video game developer
 * Z2 Comics, a publisher of graphic novels
 * $$\mathbb{Z}_2$$, the quotient ring of the ring of integers modulo the ideal of even numbers, alternatively denoted by $$\mathbb{Z}/2\mathbb{Z}$$
 * Z2, the cyclic group of order 2
 * GF(2), the Galois field of 2 elements, alternatively written as Z2
 * Z2, the standard axiomatization of second-order arithmetic
 * Z² (album), an album by Devin Townsend
 * German destroyer Z2 Georg Thiele, a Type 1934 destroyer in the German Kriegsmarine
 * USS Ringgold (DD-500), a destroyer transferred to the German Navy as Z-2 in 1959
 * Westinghouse Airships Z-2 blimp prototype for the U.S. Navy
 * Kawasaki Z2, a motorcycle
 * RAID-Z2, a way to combine multiple disk drives in a computer
 * Zelda II: The Adventure of Link, the second video game in the Legend of Zelda series
 * Zork II, a computer game
 * A wireless speaker system from Bowers & Wilkins
 * Philippines AirAsia, an airline based in Pasay, Philippines
 * The Sony Xperia Z2, an Android smartphone
 * Zebraman 2: Attack on Zebra City, a 2010 film
 * Zoolander 2, a 2016 film