XOR (exclusive or) is a logical operator whose negation is the logical biconditional.

XOR may also refer to:

XOR cipher, an encryption algorithm XOR gate, a digital logic gate bitwise XOR, an operator used in computer programming XOR (video game), a 1987 puzzle video game XOR, an x200 instruction Xor DDoS, a Linux Trojan malware XOR Corporation, a video game publisher and developer XOR, a character from Ultimate Custom Night

See also

Xors, a Slavic god Exor (disambiguation) OR (disambiguation)