Hall sensor (Hall sensor) ay isang magnetic field sensor na ginawa ayon sa Hall effect. Ayon sa Hall switch sensing paraan ay maaaring nahahati sa: solong S-pol Hall switch, solong N-pol Hall switch, all-polarity Hall switch. Kasama sa mga application ang laptop at tablet switch detection, TWS Bluetooth headset, electronic lock, valve position detection, water meter, gas meter, flow meter, non-contact detection, brushless motor, pagbibilang ng jump rope, mga laruan at iba pa.