POTUS,

mentions 'LID' many times.

Military:

LID Local Improvement District

LID Lewica I Demokraci (Polish center-left political coalition)

LID Lost in the Desert (slang; Ft. Irwin, California)

LID Light Infantry Division

LID Levy Improvement District

LID Last Issue Date

LID Laser Intrusion Device

LID Library Issue Document

LID Latest Induction Date

LID Leg In Disguise (airborne qualified soldier with less than 6 jumps)

LID Laser Illumination Detector

LID Laser Image Display

LID Local Information in Dorset (UK)