One Sister at a Time.
Experience The 
Of Membership
We forge lifelong bonds of sisterhood where women uplift and support each other through shared experiences, meaningful connections, and a commitment to personal growth.
Collegiate Experience
When you join Alpha Omicron Pi, you find a home away from home; AOII is where friendship flourishes, ambitions become reality, and memories are made to last a lifetime.
Alumnae Experience
Membership in AOII is more than just four years; it’s a lifelong commitment to sisterhood and service. Our alumnae continue their involvement in support of the advancement of our Fraternity and its members.
Our 
Are Why We Exist
AOII’s Ends, or outcomes, articulate the vision of the organization—providing clarity on what you can expect from your membership.
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Join Team AOII for Pi Day 2025
AOII’s biggest day of giving is March 14, and we’re rallying sisters to raise $175,000 for the Foundation’s Loyalty Fund! Collegians and alumnae are encouraged to participate in this spirited day that supports impactful initiatives.
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Alpha O Adventures Takes Greece Next Spring
Alumnae, get ready for the adventure of a lifetime in April 2026. Grab your sisters and join us on an unforgettable journey through the beauty and history of Greece!
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Support the Alpha Omicron Pi Foundation
The AOII Foundation invests in our sisters, inspiring a lifetime of giving to innovative leadership, educational, and philanthropic causes. Since 1977, it has worked to secure AOII’s future through scholarships, grants, and support for arthritis.
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Congratulations to our 2024 Award Winners
Each year, AOII presents awards to outstanding collegiate chapters, alumnae chapters and individuals. Please join us in celebrating the 2024 winners for their achievements over the past biennium!
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Elevate Your Digital Space With Branded Downloads
Transform your devices and social media profiles with our exclusive AOII-branded wallpapers and backgrounds, updated monthly – perfect for phones, watches, tablets, desktops, and more.
Experience AOII
Chapter Locator
Discover AOII sisters near and far. Explore our chapter locator tool to find collegiate and alumnae chapters in your area.
Find a Chapter
Upcoming Events
AOII hosts signature international events annually, inspiring members through leadership, service, sisterhood, and fun.
See Events
To Dragma
Distributed quarterly to collegiate members and dues-paying alumnae, To Dragma is the official magazine of Alpha Omicron Pi.
Read Latest Issue