AVX may refer to: Technology Advanced Vector Extensions, an instruction set extension in the x86 microprocessor architecture AVX2, an expansion of the AVX instruction set AVX-512, 512-bit extensions to the 256-bit AVX AVX Corporation, a manufacturer of electronic parts and a division of Kyocera Other uses Avengers vs. X-Men, a comic book event Catalina Airport (FAA LID code), California, US