Alpha Lambda Tau (ΑΛΤ) was a men's college fraternity founded in 1916 at Oglethorpe University.

For its first decade Alpha Lambda Tau permitted expansion only within the southern states.

Alpha Lambda Tau was founded at Oglethorpe University, of Brookhaven, Georgia (a northeastern suburb of Atlanta) on October 8, 1916.

By 1927, the anti-northern expansion policy was met with disapproval at the fraternity's national convention.

Where chapters affiliated with ΤΚΕ their status is noted as "Merged"; where they joined other fraternities they are listed as "Withdrawn".