Outside Man may refer to:

• The Outside Man, a 1972 French film
• "Outside Man" (CSI: NY), an episode of CSI: NY

• IOEC
• IOE (disambiguation)
• Io, Emanuelle
• Io, Emmanuelle
• Io (English band)
• Io (English Band)
• IOError
• IOF .22 revolver
• IOF .22 sporting rifle
• IOF .30-06 sporting rifle
• IOF.315 Sporting Rifle
• IOF .315 sporting rifle
• IOF .32 revolver
• IOF .32 Revolver
• I/O Fencing
• Iofendylate
• Iofetamine (123I)
• Ioffe
• Ioffe institute
• Ioffe Physical Technical Institute
• Ioffe Physico-Technical Institute
• IOffer
• Ioffer
• IOffer.com
• IOFGA