The term figure-four may refer to:

• Figure-four (climbing), a technique employed in technical climbing, particularly mixed and ice climbing
• Figure-four (grappling hold), a type of grappling hold
  • A variation of the Jackknife hold
• A descriptor of a professional wrestling hold; most notably the Figure four leglock
• Figure Four, a Canadian metalcore band
• Figure Four (Battle Angel Alita), a fictional character in the Battle Angel Alita manga series
• Figure-four deadfall, a type of trap
• Fig.4.0, an English hardcore punk band