Look up infrared in Wiktionary, the free dictionary.

Infrared is electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum.

Infrared may also refer to:

• Infrared spectroscopy, a subset of spectroscopy
• Infrared homing device, a type of infrared device
• Consumer infrared, as used in wireless remote controls, keyboards, and other devices
• Infrared (record label), a UK-based record label
• "Infra-Red" (Placebo song)
• Infra-Red (Three Days Grace song)
• "Infrared" (Pusha T song)
• "Infrared" (Vybz Kartel & Masicka song)