The Union League of Philadelphia — Ransomware Incident Claimed by INC Ransom
- Victim: The Union League of Philadelphia
- Claimed by INC Ransom
- Date claimed: 2025-11-06
- Country: US
Founded in 1862 as a patriotic society to support the Union and the policies of President Abraham Lincoln, The Union League of Philadelphia laid the philosophical foundation of other Union Leagues across a nation torn by civil war.