586 (disambiguation)

586 AD was a year of the Julian calendar.

586 may also refer to:

Computing

 * P5 (microarchitecture) (Pentium, 80586, i586), Intel fifth generation x86 processor architecture, and related:
 * Cyrix 5x86
 * Nx586, by NexGen, later called AMD 5N86
 * AMD K5 (5K86, AM586, 5x86)

Other uses

 * 586 (number), a number
 * Minuscule 586 (Gregory-Aland), manuscript of the New Testament
 * Smith & Wesson Model 586, a revolver
 * "5 8 6", a song on the album Power, Corruption & Lies by New Order