Auto polarity or auto-polarity may refer to:

• Auto polarity (digital multimeter), automatic polarity switching for signals in measurement devices
• Auto polarity (differential signals), automatic polarity switching of differential signals
• Auto polarity (Ethernet), automatic polarity of differential pairs in networking

• Auto crossover
• Bridge rectifier
• Polarity inversion (disambiguation)
• Polarity switch

This disambiguation page lists articles associated with the title Auto polarity.
If an internal link led you here, you may wish to change the link to point directly to the intended article.