TF or Tf may refer to:
In information retrieval, tf–idf, short for term frequency–inverse document frequency, is a numerical statistic that is intended to reflect how important a word is to a document in a collection or corpus.
TFBOYS (also known as The Fighting Boys, 加油男孩) is a teenage Chinese boy band formed by Time Fengjun Entertainment (TFent).
TF1 (té effe un pronounced: [te ɛf œ̃]) is a private national French TV channel, controlled by TF1 Group, whose major share-holder is Bouygues.
TFF Second League (Turkish Football Federation Second League) or TFF 2. Lig (in Turkish), is the third level in the Turkish football league system.
Télévision française de l'Ontario (TFO) is a Canadian publicly funded French language educational television station and media organization serving the province of Ontario.
Toronto FC (TFC) Academy is the youth academy and development system of Canadian Major League Soccer club, Toronto FC.
TFI Friday is an entertainment show broadcast on Channel 4 in the United Kingdom. The show was produced by Ginger Productions, written by Danny Baker and hosted by Chris Evans, for the first five series.
TfL Rail is a commuter railway route in London and the home county of Essex that currently serves the 14 stations on the Great Eastern Main Line between Liverpool Street, in the City of London, and Shenfield.
The TF-2000 class frigate is a projected anti-air warfare frigate currently undergoing development by the Turkish Naval Institute.