Plasma or plasm may refer to:

• Plasma (physics), one of the four fundamental states of matter
• Plasma (mineral), a green translucent silica mineral
• Quark–gluon plasma, a state of matter in quantum chromodynamics

• Blood plasma, the yellow-colored liquid component of blood, in which blood cells are suspended
• Cytoplasm, a jelly-like substance that fills cells, suspends and protects organelles
• Germ plasm, a zone in the cytoplasm determining germ cells
• Germplasm, describes a collection of genetic resources for an organism
• Milk plasma or whey, the liquid remaining after milk has been curdled and strained
• Nucleoplasm, a highly viscous liquid that surrounds the chromosomes and nucleoli
• Plasma cell, white blood cells that secrete large volumes of antibodies
• Protoplasm, the entire living substance inside the cell membrane or cell wall

• Plasma (game engine), a real-time 3D game engine from Cyan Worlds
• Plasma display, a flat-panel electronic visual display technology, commonly used for televisions
• Plasma effect, a computer-based animated visual effect, used in graphics demonstrations
• KDE Plasma, graphical environments provided by KDE

• Plasma (drag queen), an American drag performer
• Plasma (Trey Anastasio album), a 2003 live album
• Plasma (Perfume album), a 2022 studio album
• Plasma Records, a record label
• Team Plasma, a fictional villainous organization from Pokémon

• Plasma ball (disambiguation)
• Plasma cannon (disambiguation)
• Plasma gun (disambiguation)
• All pages with titles beginning with Plasma