Here is a list of historically Black sororities:
1. Alpha Kappa Alpha (ΑΚΑ)
2. Delta Sigma Theta (ΔΣΘ)
3. Zeta Phi Beta (ΖΦΒ)
4. Sigma Gamma Rho (ΣΓΡ)
5. Phi Delta Kappa (ΦΔΚ)
6. Chi Eta Phi (ΧΗΦ)
7. Theta Phi Sigma (ΘΦΣ)
8. Eta Phi Beta (ΗΦΒ)
9. Omicron Kappa Epsilon (ΟΚΕ)
10. Tau Gamma Delta (ΤΓΔ)
11. Alpha Chi Pi Omega (ΑΧΠΩ)
12. Delta Xi Phi (ΔΞΦ)
13. Zeta Tau Alpha (ΖΤΑ)
14. Kappa Beta Gamma (ΚΒΓ)
15. Sigma Beta Delta (ΣΒΔ)
These sororities have a rich history and have played a significant role in the lives of Black women, providing sisterhood, scholarship, service, and social activism. They have also contributed to the development of leaders in various fields, including politics, business, education, and the arts.
Note: This list only includes organizations that are currently active and recognized by the National Pan-Hellenic Council (NPHC), which is the governing body for historically Black Greek letter organizations.