This study describe.o:t;he development and psychometric properties of Terrorism Impact Scale (TIS). Items generated were ba::;edon two focus groups with journalists. personnel from security forces and experts from diffcrent walk::;of life, in-depth interviews conductcd with religious scholars and a preliminary questionnaire administered to the survivors of terrorist attacks, witnesses and general public in Lahore. Initially, a pool of 200 items was generated tapping different types of impact of terrorism ill the society (e.g., emotional, psychOlogical. and socia-cultural). An expert opinion based pool of 95 items was retained for initial empirical evaluation on four groups (students, general public, terror attack survivors, and security forces, N = 280). The factor analytic strategy generated 5 clusters with 64 items, labeled as State Affairs, Psychosocial Distress, Civic Affairs. Governance h~ues, and Resilience. TIS demonstrated significant conslfUct validity and reliability overall and for its 5 subscale~. Item analysis and alpha coefficients revealed significantly high internal consistency for [he measure. Further analysis of data rcvealed significant differences alllong parlicipant groups for impact of terrorism.