TLR
The three letter abbreviation TLR can mean
- Toll-like receptors, proteins constituting an important part of the immune system
- Tonic labyrinthine reflex, a primitive reflex found in newborn humans
- Twin-lens reflex camera, a photo camera with two lenses
- Suffolk Transnational Law Review
- Texas Law Review
- Tulane Law Review
- Tasteful Licks Records, an Independent Record Label
- TL1000R, a motorcycle with a 998cc v-twin engine manufactured by Suzuki
- The IATA airport code for Mefford Field, California, USA
- Tubal Ligation Reversal or Tubal reversal, surgery to open and reconnect the fallopian tube after a tubal ligation procedure
- Air Libya, Libya (ICAO airline code)
- Nickname for St. Louis Cardinals manager Tony La Russa
- The local radio station TLR (Thanet Local Radio), now known as KMFM Thanet
- The Literary Review, an American literary magazine published by Fairleigh Dickinson University
- Two Legged Rat - A person undergoing experimental medical treatment
- Teaching and learning responsibility - in Great Britain, special payments awarded teachers who have taken on "significant responsibility that is not required of all classroom teachers"
- BIONICLE: The Legend Reborn, a 2009 film based on the Lego Bionicle franchise
- Target Lesion Revascularization, concept in cardiac studies in which the different forms of coronary intervention (coated, uncoated stents) are compared.