Stator may refer to:

Engineering: In engineering, the stator is the stationary part of a rotary system, typically a motor/generator or fluid pump. For further information, see:

• Stator (electric machines), set of windings
• Stator (compressor), vanes to guide fluid flow
• Wicket gate (hydraulics), vanes that control water flow entering a turbine

Biology: 

• Stator (beetle), a genus of seed beetles