TFN may refer to:

Arts and entertainment TFN (boy band), South Korea The Fight Network, a Canadian MMA channel The Football Network, a channel in Louisiana, US TheForce.Net, a Star Wars news site Twelve Foot Ninja, an Australian metal band

Businesses and organisations TFN Group, a French facility management company Texas Freedom Network, religious freedom and civil liberties group The Freecycle Network, a worldwide organisation promoting reuse of goods instead of disposal Transport for the North, styled TfN, a transport agency in the United Kingdom Trust for Nature, Victoria, Australia

Places Tenerife North–Ciudad de La Laguna Airport, Spain (IATA:TFN) Thornton Fractional North High School, Calumet City, Illinois, US Tsawwassen First Nation, Canada

Other uses Tax file number, of the Australian Taxation Office Toll free number, a free telephone number Transferrin, a protein Tribe Flood Network, a DDoS hacking tool Dena'ina language of Alaska (ISO 639: tfn)

See also Thanks for Nothing (disambiguation)