TJF may refer to: The Jared Foundation, a charity The Jitsu Foundation, a national-level association of sports clubs headquartered in the United Kingdom with affiliated organisations in other countries Thomas Jefferson Foundation, the governing and operating body of Monticello and its grounds as a house museum and educational institution in Virginia The Joy Formidable, a Welsh alternative rock band Tom Joyner Foundation, an American foundation that provides financial assistance to students at historically black colleges and universities Tulsa Jesus Freak, a Lana Del Rey song