Permission to Use Sigma Logo

If you are an Sigma member, go to The Circle to download the chapter style guide and a JPEG file of the Sigma logo. If you would like a vector image of the logo or crest, complete the form included in the style guide and your request will be reviewed as soon as possible.

If you are not an Sigma member and would like to request use of Sigma's official logo, contact In your email, provide detailed information regarding your intended use. Permission to use the logo or crest is granted on a case-by-case basis, and reasonable notice should be given. Approvals are for one-time use only.

Sigma in the news   

Sigma opens nominations for honorary membership

Indianapolis—Sigma Theta Tau International Honor Society of Nursing (Sigma) bestows honorary membership upon individuals of national or global influence who have furthered the course of healthcare. These esteemed individuals are not eligible for regular membership but demonstrate sustained superior achievements that contribute to the advancement of nursing and healthcare at national or global levels.

Recipients of honorary membership demonstrate a commitment to Sigma’s mission of developing nurse leaders anywhere to improve healthcare everywhere. The careers of these individuals demonstrate superior achievement and leadership, connecting and empowering nurse leaders, and transforming global healthcare.

To recognize an individual for their commitment to nurses and the healthcare field, submit a nomination by 1 December 2020. Honorary members will be recognized at Sigma’s 46th Biennial Convention in Indianapolis, Indiana, USA. Learn more.

About Sigma:
The Sigma Theta Tau International Honor Society of Nursing (Sigma) is a nonprofit organization whose mission is advancing world health and celebrating nursing excellence in scholarship, leadership, and service. Founded in 1922, Sigma has more than 135,000 active members in over 100 countries and territories. Members include practicing nurses, instructors, researchers, policymakers, entrepreneurs, and others. Sigma’s more than 540 chapters are located at more than 700 institutions of higher education throughout Armenia, Australia, Botswana, Brazil, Canada, Colombia, England, Eswatini, Ghana, Hong Kong, Ireland, Israel, Jamaica, Japan, Jordan, Kenya, Lebanon, Malawi, Mexico, the Netherlands, Nigeria, Pakistan, Philippines, Portugal, Puerto Rico, Scotland, Singapore, South Africa, South Korea, Sweden, Taiwan, Tanzania, Thailand, the United States, and Wales.

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