Motor may refer to:
An engine:
Heat engine, a machine that converts heat into mechanical motion
Electric motor, a machine that converts electricity into a mechanical motion
AC motor, a machine using alternating current electricity
Electrostatic motor, type of electric motor based on the attraction and repulsion of electric charge
Molecular motors, the essential agents of movement in living organisms
Synthetic molecular motors
Pneumatic motor, a machine that converts the energy of compressed air into mechanical motion
Hydraulic motor, a machine that converts the energy of pressurized liquid flow into mechanical motion
Nanomotor
Actuator, a mechanical device for moving or controlling a mechanism or system
