Delta Sigma Rho (ΔΣΡ) was a collegiate honor society devoted to the promotion of public speaking (forensics).

[4][2] The purpose of Delta Sigma Rho was "to encourage sincere and effective public speaking".

[2] Its 1920 constitution stated that charters could only be granted to institutions that had participated in intercollegiate forensic contests for five years.

[7] Delta Sigma Rho emblem was a diamond-shaped key with a star at the top, the Greek letters ΔΣΡ, and the date of the organization of the society (April 13th, 1906) in relief.

[2] To be eligible for membership, students had to be active in intercollegiate forensic contest and had to complete their sophomore year.