Figure 8 might refer to:

• Figure 8, an expression describing a Lissajous curve that resembles the number 8
• Figure 8, the basis for compulsory figures in figure skating
• Figure 8 (album), a 2000 album recorded by American singer-songwriter Elliott Smith
• Figure-of-eight knot, (also called a Flemish Knot), is a type of stopper knot
• Figure Eight, a piece of climbing equipment; see descender
• Figure 8 Puffer, a common name for Tetraodon biocellatus, a breed of Pufferfish
• Figure 8 Orbit provides a stable solution to the three-body problem.
• Figure 8 dribbling, an exercise drill for basketball
• Figure 8 racing, a category of auto racing related to the demolition derby
• Analemma, a type of figure 8 that describes the position of the Sun over the course of a year
• Lemniscate, of Jakob Bernoulli, a type of mathematical curve that resembles a figure 8
• Figure 8, a Roller coaster track design
• Figure 8 island, in North Carolina
• Figure 8, a pick-up pattern in certain microphones