Figure 8 (figure of 8 in British English) may refer to:
- 8 (number), in Arabic numerals
 
Geography
- Figure Eight Island, North Carolina, United States
 - Figure Eight Lake, Alberta, Canada
 - Figure-Eight Loops, feature of the Historic Columbia River Highway in Guy W. Talbot State Park
 
Mathematics and sciences
- ∞, symbol meaning infinity
 - Figure 8, a two-lobed Lissajous curve
 - Figure 8, in topology, the rose with two petals
 - Figure 8, shape described by an analemma, a curve in astronomy
 - Figure-eight knot (mathematics), in knot theory
 - Lemniscate, various types of mathematical curve that resembles a figure 8
 
Music
Albums and EPs
- Figure 8 (album), a 2000 album by Elliott Smith
 - "Figure of Eight" (song), a 1989 song by Paul McCartney
 - Figure Eight EP, a 2008 EP by This Et Al
 - "Figure 8" (song), a 2012 song by Ellie Goulding from Halcyon
 
Songs
- "Figure 8", a song by FKA Twigs from the EP M3LL155X
 - "Figure 8", a song by Paramore from the album This Is Why
 - "Figure Eight", a song and episode name from the children's educational series Schoolhouse Rock!
 - "Figure of Eight", song by Status Quo from In Search of the Fourth Chord
 
Ropes
- Figure eight bend or Flemish bend, a knot
 - Figure-eight knot, typically used as a stopper knot
 - Figure-eight loop, figure of eight knot tied "on the bight"
 
Sport and leisure
- Figure 8 racing, a category of auto racing related to the demolition derby
 - Figure 8 roller coaster, a track design
 - Figure 8, shape from which compulsory figures in ice skating are derived
 - Figure 8, a riding figure used in the training of horses
 - Figure-eight, type of noseband
 - Figure eight turn, man overboard rescue turn in sailing
 - Figure 8 (belay device), a piece of rock climbing equipment
 - Figure of 8, figure in English country dance
 - Figure eight (angling), a technique used by anglers to fish specifically for the muskellunge
 
Other uses
- Figure 8 or bi-directional, response pattern of some microphones
 - Figure 8 Puffer (Tetraodon biocellatus), breed of pufferfish
 - "Figure Eight", an episode and song from the children's educational series Schoolhouse Rock!
 - Figure Eight Inc., a crowdsourcing company related to machine learning
 - An IEC 60320 C7 power connector
 
See also
- 8 (disambiguation)
 - List of knots, the names of several of which contain "figure 8" or similar
 
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