Look up XO or xo in Wiktionary, the free dictionary.
Not to be confused with X0 (disambiguation) (X followed by zero).
Xo or XO may refer to:
XO, a grade of cognac, meaning "extra old",
XO, the IATA code for Spain's LTE International Airways,
XO Communications, a telecom company,
XO sauce, a spicy seafood sauce,
XO Telescope and its related exo-planet survey,
XO-1 laptop, produced by the One Laptop per Child association,
XO-3 laptop, next generation One Laptop per Child laptop,
Crystal oscillator, an electronic circuit that uses the mechanical resonance of a vibrating crystal to create an electrical signal with a precise frequency
XO, the now-deprecated abbreviation for crystal oscillators on electrical schematic diagrams,
,
Executive officer in the military,
Executive order (disambiguation), an edict by a member of the executive branch of a government,
Eastern Orthodox Christianity (from the Greek: Χριστιανός Ορθόδοξος, Xristianos Orthodoksos),
Turner syndrome, a genetic condition in which one of the sex chromosomes is absent,
Hugs and kisses, sometimes written as a sequence of XOs,
Xanthine oxidase, an enzyme that catalyzes the oxidation of hypoxanthine to xanthine,
Music edit:
XO (Elliott Smith album), 1998,
XO (Leathermouth album), 2009,
"XO", a song on Fall Out Boy's third studio album, From Under the Cork Tree,
"XOXO", a song on Gunnie Sanotchra's 2009 studio album, Girl Crazy,
"XO", a Toronto-based gang, the most prominent member being The Weeknd