Dynamic instability may refer to any of several scientific phenomena:

• Aircraft dynamic modes, including aircraft dynamic instability

• Atmospheric instability, in meteorology

• Dynamic instability of microtubules, in biology

• Firehose instability, in astrophysics

• Flutter, in aeroelasticity, a branch of mechanics

• Hydrodynamic instability, in fluid dynamics

Speed wobble, in mechanical engineering

• Others in :Category:Fluid dynamic instabilities