|Theta Sigma Upsilon|
|Founded||March 25, 1921|
Emporia State University, (Emporia, Kansas)
|Motto||"The Higher Good" (open)|
|Symbol||Helmet, Shield, Spear, Torch|
|Jewel||Pearls and Turquoises|
|Patron Roman divinity||Minerva|
|Philanthropy||Association of Cleft Palate Rehabilitation.|
|Members||4,912 (1957) collegiate|
|Headquarters||65 Wandle Avenue|
Theta Sigma Upsilon () was a sorority founded on March 25, 1921 at Emporia State University. It merged with Alpha Gamma Delta at the 22nd international convention of Alpha Gamma Delta at French Lick, Indiana on June 29, 1959.
Theta Sigma Upsilon was founded on March 25, 1921 at Emporia State University. In 1925, the sorority became part of the Association of Education Sororities which it remained a member until the association dissolved when its members became part of the National Panhellenic Conference.
Alpha Gamma Delta absorbed Theta Sigma Upsilon at the 22nd international convention of Alpha Gamma Delta at French Lick, Indiana on June 29, 1959. Thirteen Chapters were added to Alpha Gamma Delta from this merger:
Their colors are Rose and Silver, their flower is the Pink Rose and their tree is the dogwood. Its Patron was Minerva.
The list of chapters that Theta Sigma Upsilon had was: