Objectives: The aim of this study was to construct and validate a scale for measuring interpersonal forgiveness, suitable for Iranian socio-cultural features. Method: The subjects were comprised of 400 college students (237 female, 167 male) selected through random stratified sampling from Ahvaz universities. Data were collected using family forgiveness scale (FFS), Ahvaz Aggression Inventory (AAI), and Agreeableness from NEO Five Factor Inventory (NEO-FFI). Data were analyzed using Pearson’s correlation coefficient and stepwise regression analysis. Results: Results of factor analysis showed that three factors comprised Interpersonal forgiveness Inventory (IFI): from the total 25 items of the scale, 12 items were loaded on first factor (restructure of relationship and control of revenge), 6 items were loaded on second factor (pain control), and 7 items were loaded on third factor (realistic understanding). Conclusion: The interpersonal forgiveness scale has appropriate reliability and validity for the measurement of this feature among student population.