The scenario of the issues that father involvement, early intervention program and well-being of children with special needs have led to be studied. Therefore, this study was to examine whether the three factors or constructs or variables has direct, indirect and intermediary relationship (mediator) using Partial Least Squares Structural Equation Modelling (PLS-SEM) with SmartPLS 3.2.3 software. 158 samples of fathers who have children with special needs aged 4 to 8 years have answered the questionnaires for survey research. In addition, the results of this study prove that measures seven item in three constructs is significant and is suitable for Well-being of Children with Special Needs (Child Health, and Child Housing and Environment); Early Intervention Program (Individual Family Service Plan, and Screening); and Father Involvement (Process Thought, Shared Interest, and Time). In conclusion, this research has proved Early Intervention Program as a Mediator, development a Model of Father Involvement in Early Intervention Program for Well-being of Children with Special Needs and the further study in future is scrutinized with emphasis an Early Screening

Father involvement, early intervention program, well-being of children with special needs, pls-sem