Adelphi University
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Former name | Adelphi College (1896–1963) |
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| Motto | Vita Sine Litteris Mors Est (from Epistulae morales ad Lucilium by Seneca the Younger) |
Motto in English | Literal translation: "Life without learning is death" "The Truth Shall Make Us Free" |
| Type | Private university |
| Established | June 24, 1896 |
| Endowment | $256 million (2024) |
| President | Michael Balboni (effective June 1, 2026) |
| Faculty | 1,309 (328 full-time, 981 part-time) |
| Students | 7,406 |
| Location | , New York , United States 40°43′12″N 73°39′07″W / 40.720°N 73.652°W |
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| Colors | Brown & gold |
| Nickname | Panthers |
Sporting affiliations | NCAA Division II – NE-10 |
| Mascot | Panther |
| Website | adelphi |
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Adelphi University is a private university in Garden City, New York, United States. Adelphi also has centers in Downtown Brooklyn, Hudson Valley, and Suffolk County in addition to a virtual, online campus for remote students. As of 2026, it had about 7,386 undergraduate and graduate students. The college's origins date to 1863 with the foundation of the Adelphi Academy, and Adelphi College itself was founded in 1893. From 1912 to 1946 the college was a women's college.