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