Sigma Alpha Omega (ΣΑΩ) is an American non-denominational Christian sorority for women, founded at North Carolina State University on January 5, 1998.

[1] The sorority was formed after a vote of active members at the NCSU chapter in 1998 and focuses on setting good moral examples for their peers and their community.

[2] The founding sisters of Sigma Alpha Omega were Michelle Bull, Kathryn Meyer, Kimberly Rogers, and Josie Watson.

Sigma Alpha Omega Christian Sorority, Inc was officially recognized as a national non-profit organization in North Carolina in June 2004.

[4] The sorority's official namesake Bible verses are:[4] On June 2, 2007, at the annual National Convention, the current sisters of Sigma Alpha Omega recognized a need to have a unified philanthropic focus among all chapters to have a greater impact.

The individual chapters of Sigma Alpha Omega focus on awareness and education about ovarian cancer through physical and financial support.