XI

XI may refer to:

11 (number), XI in Roman numerals
First XI of a cricket or football team
XI monogram, an early Christian symbol
XI (album), an album by Metal Church
X.I., a fictional supercomputer in the video game Terminal Velocity
Northern Ireland, ISO 3166-1 alpha-2 country code used for tax purposes
XI bit (or NX bit), a security-related computer technology for x86 and x64 processors

See also