| Term | Full Form | Category |
|---|---|---|
| YSU | Summerside Airport, Summerside, Prince Edward Island, Canada | Others |
| YSU | Yerevan State University | Others |
| YSU | Yerevan State University, Yerevan, Republic of Armenia | Others |
| YSU | York Simpson Underwood Real Estate | Others |
| YSU | You Screwed Uphttps | Others |
| YSU | Youngstown State University | Others |
| YSU | Youngstown State University's | Others |
| YSU | Youth Service Unit | Others |
| YSU | Youth Speaker University | Others |