YSC may refer to: Acronyms and initialisms Yerevan Komitas State Conservatory a conservatory located in Yerevan, Armenia Young Survival Coalition an international group for women under 40 who have been diagnosed with breast cancer Youth detention center#Youth Services Center the District of Columbia's secure juvenile detention center Codes Sherbrooke Airport has IATA code YSC Jassic dialect has ISO 639-3 code ysc