Rectifier (disambiguation)

The word rectifier refers to the general act of straightening. It may refer to:
 * Rectifier, a device for converting alternating current to direct current
 * Rectifier (neural networks), an activation function for artificial neural networks
 * Rectifier, a guitar amplifier manufactured by Mesa Boogie.
 * Rectifier, a weapon in the gacha game Wuthering Waves, made by Kuro Games.