3D

3D, 3-D or 3d usually means three-dimensional or three dimensions and may refer to:

Relating to three-dimensionality

 * 3D computer graphics, computer graphics that use a three-dimensional representation of geometric data
 * 3D display, a type of information display that conveys depth to the viewer
 * 3D film, a motion picture that gives the illusion of three-dimensional perception
 * 3D modeling, developing a representation of any three-dimensional surface or object
 * 3D printing, making a three-dimensional solid object of a shape from a digital model
 * 3D television, television that conveys depth perception to the viewer
 * 3D projection
 * 3D rendering
 * 3D scanning, making a digital representation of three-dimensional objects
 * 3D video game
 * Stereoscopy, any technique capable of recording three-dimensional visual information or creating the illusion of depth in an image
 * Three-dimensional space

Other uses

 * 3-D Secure, a secure protocol for online credit and debit card transactions
 * 3D/Biela, a lost periodic comet discovered in 1826
 * British Rail Class 207, sometimes known as 3Ds

Artists

 * Robert Del Naja (born 1965), also known as 3D, English artist and musician in the band Massive Attack
 * The 3Ds, a rock band

Albums

 * 3D (Go West album), 2010
 * "Weird Al" Yankovic in 3-D, 1984, sometimes simply referred to as 3-D
 * 3D (The Three Degrees album), 1979
 * 3-D (I See Stars album), the debut album from the band I See Stars
 * 3-D (SPC ECO album)
 * 3-D (TLC album), 2002
 * 3-D (Wrathchild America album)

Songs

 * "3D" (song), a 2023 song by Jungkook featuring Jack Harlow
 * "3-D", a song by Cheap Trick from their 1983 album Next Position Please

Other uses

 * 3D Aerobatics, a form of flying using flying aircraft to perform specific aerial maneuvers
 * 3D (Long Island bus), bus service in New York State
 * 3D Test of Antisemitism, put forth by Israeli politician and human rights activist Natan Sharansky
 * Middle finger, the third digit (abbreviated 3D) of the hand
 * Three-dimensional chess
 * Threepence (disambiguation), a coin used in several countries, abbreviated as '3d'
 * The 3D ("Dudley Death Drop"), a professional wrestling double-team maneuver