A2X may refer to:
A2X Markets, a South African stock exchange A2X, an ad exchange; see List of Cisneros entities Haplogroup A2x, a subgroup of Haplogroup A (mtDNA) a2x, a software program in the AsciiDoc software tool package The A2x family of microprocessors created by Allwinner Technology
See also
AX-2 (disambiguation) AXX (disambiguation) AAX (disambiguation) ATX (disambiguation)