TJL Views 9 meanings found TJL may denote the fictional Justice League, a scientific research institute, educational lecture series, or various small businesses and file types. Miscellaneous The Javahouse League Thangamayil Jewellery Limited Theological Journal Library Governmental The Justice League Academic & Science The Jonxis Lectures The Jackson Laboratory TERRENCE J. LEARY RESIDENTIAL & EDUCATION CENTER Computing Backup file (VAXTPU editor) Business Terry J. Lulf Home Repairs