| Delta Psi Sigma | |
| Letters: | Greek, Ancient (to 1453);: ΔΨΣ |
| Crest: | File:Delta Psi Sigma crest.png |
| Birthplace: | New York, NY |
| Affiliation: | Independent |
| Status: | Active |
| Type: | Social |
| Scope: | Regional |
| Emphasis: | Multicultural |
| Motto: | Perpetual Sisterhood Through Unity and Strength |
| Colors: | Imperial Sky Blue and White |
| Mascot: | Unicorn |
| Flower: | Gladiolus |
| Jewel: | Aquamarine |
| Chapters: | 4 |
| Philanthropy: | March of Dimes Convoy of Hope |
| Country: | United States |
Delta Psi Sigma (Greek, Ancient (to 1453);: ΔΨΣ), is an American multicultural, inter-collegiate sorority founded on January 14, 2001. Commonly known as DYS or Deltas, the sorority has expanded to four chapters in New York, New Jersey, and Massachusetts.
Delta Psi Sigma was established in New York, New York on January 14, 2001. There were five founding sisters: Danna Chang, Kate Chen, Melissa D’Souza, Annie Park, and Michelle Tang. These five founding sisters originated from Buffalo University, Hofstra University, Manhattan College, and New York University, and had a goal to establish a sisterhood to unite sisters from different cultural backgrounds.
Delta Psi Sigma's motto is "Perpetual Sisterhood Through Unity and Strength. Its colors are imperial sky blue and white. Its flower is the gladiolus. The sorority's jewel is aquamarine and its mascot is the unicorn.
Delta Psi Sigma's national philanthropies are March of Dimes and Convoy of Hope.
Since the sorority's founding, Delta Psi Sigma Sorority’s national philanthropy has been March of Dimes. Since the chartering of Delta Psi Sigma’s Boston Chapter, community services have been provided to advance March of Dimes’ ‘March for Babies Walk’ every year.
Convoy of Hope has been Delta Psi Sigma Sorority’s national philanthropy since 2017. Across all chapters, the sorority holds events and fundraisers to show its strong support for Convoy of Hope. The money raised goes towards engaging the community, nourishing children, growing crops, responding to disasters, and partnering with like-minded organizations.
Delta Psi Sigma has four active chapters. Active chapters are indicated in bold. Inactive chapters are in italics.
| Chapter | Charter date | Location | Status | |
|---|---|---|---|---|
| Alpha | January 14, 2001 | Active | ||
| Beta | December 7, 2002 | Active | ||
| Gamma | 20xx ? | Active | ||
| Delta | Inactive | |||
| Epsilon | March 12, 2022 | Active |