夸克-胶子电浆（英语：quark-gluon plasma，简称QGP）是一种量子色动力学下的相态，所处环境为极高温与极高密度。据信这种状态存在于大霹雳宇宙诞生后的最初20或30微秒。欧洲核子研究中心（CERN）所属的超级质子同步加速器的实验首先尝试创造出QGP，时间大约是1980年代与1990年代，而且可能已达成部分的成就。目前，布鲁克哈芬国家实验室的相对论性重离子对撞机（Relativistic Heavy Ion Collider，简称RHIC）的实验正接续这项工作。CERN的新型实验——大型离子对撞机实验和超环面仪器实验都已在大型强子对撞机（Large Hadron Collider，简称LHC）展开。

A quark–gluon plasma (QGP) or quark soup is a state of matter in quantum chromodynamics (QCD) which is hypothesized to exist at extremely high temperature, density, or both temperature and density. This state is thought to consist of asymptotically free quarks and gluons, which are several of the basic building blocks of matter. It is believed that up to a few milliseconds after the Big Bang, known as the Quark epoch, the Universe was in a quark–gluon plasma state. In June 2015, an international team of physicists produced quark-gluon plasma at the Large Hadron Collider by colliding protons with lead nuclei at high energy inside the supercollider’s Compact Muon Solenoid detector. They also discovered that this new state of matter behaves like a fluid.