Delta Sigma Theta (ΔΣΘ) is an international pharmacy fraternity founded in the fall of 1914.

It was created to promote the healing arts of pharmacy, medicine, and dentistry.

In the fall of 1914, Delta Sigma Theta was established at Brooklyn College of Pharmacy as an outgrowth of the Mortar and Pestle club (local).

[1] The organization was started on December 11, 1915, and one year later was incorporated in New York State as Alpha chapter of Delta Sigma Theta.

[1] By the late 1920s, Delta Sigma Theta became an international fraternity by establishing chapters in Beirut, Rome, and Great Britain.