Quantum leap

Quantum leap or variation, may refer to:

In general

 * Quantum leap (physics), also known as quantum jump, a transition between quantum states
 * Atomic electron transition, a key example of the physics phenomenon
 * Paradigm shift, a sudden change of thinking, especially in a scientific discipline
 * Tipping point (sociology), a sudden and drastic change of behavior by group members in a social environment

Arts and entertainment

 * Quantum Leap (1989 TV series), a 1989–1993 American television series
 * Quantum Leap (2022 TV series), a sequel and remake of the 1989 series
 * The Quantum Leap, a public art sculpture in Shrewsbury, England
 * Quantum Leap, a 2021 album by Gus G
 * Emergency: Quantum Leap, a 2019 EP by X1

Other uses

 * Sinclair Quantum Leap or QL, a personal computer from Sinclair
 * Quantum Leap Technology, a (defunct) U.S. fuel cell company