Lown may refer to:

Lown (surname) Lown-e Kohneh, a Kurdistan Province Lown-e Sadat, a Kurdistan Province Lown-Berkovits, a cardiac defibrillator waveform Lown–Ganong–Levine syndrome, a pre-excitation syndrome of the heart The Lown Institute

See also Lun (disambiguation) Loon (disambiguation)