TFR may refer to:

Biology and medicine

Total fertility rate The total fertility rate (TFR) of a population is the average number of children that would be born to a woman over her lifetime if: # she were to experience the exact current age-specific fertility rates (ASFRs) through her lifetime # she were t ...

Transferrin receptor Transferrin receptor (TfR) is a carrier protein for transferrin. It is needed for the import of iron into the cell and is regulated in response to intracellular iron concentration. It imports iron by internalizing the transferrin-iron complex thro ...

Economy

* Texans for Fiscal Responsibility, US * Thrift Financial Report

Engineering and physics

Temporary flight restriction The Federal Aviation Regulations (FARs) are rules prescribed by the Federal Aviation Administration (FAA) governing all aviation activities in the United States. The FARs comprise Title 14 of the Code of Federal Regulations (CFR). A wide variety o ...

, US *

Terrain-following radar Terrain-following radar (TFR) is a military aerospace technology that allows a very-low-flying aircraft to automatically maintain a relatively constant altitude above ground level and therefore make detection by enemy radar more difficult. It is ...

, for military aircraft * Time–frequency representation of a signal * Tokamak de Fontenay aux Roses, 1970s tokamak in France *

Transnet Freight Rail Transnet Freight Rail is a South African rail transport company, formerly known as Spoornet. It was part of the South African Railways and Harbours Administration, a state-controlled organisation that employed hundreds of thousands of people ...

, a South African rail transport company

Other

Task Force Ranger Operation Gothic Serpent was a military operation conducted in Mogadishu, Somalia, by an American force code-named ''Task Force Ranger'' during the Somali Civil War in 1993. The primary objective of the operation was to capture Mohamed Farrah ...

Isuzu Faster The Isuzu Faster is a pickup truck that was manufactured and marketed by Isuzu between 1972 and 2002 over three generations. The Faster was succeeded worldwide by Isuzu D-Max, except in North America. First generation (1972–1980) Is ...

, truck named Isuzu TFR in Thailand {{disambiguation