TLR

TLR may refer to:

Biology

 * Toll-like receptors, proteins of the immune system
 * Tonic labyrinthine reflex, in newborn humans

Travel

 * Suzuki TL1000R motorcycle
 * The IATA airport code for Mefford Field, California, USA
 * The ICAO airline code for Air Libya, Libya

Other

 * Twin-lens reflex camera
 * Tasteful Licks Records