The purpose of this investigation is to test the reliability and validity of the Subjective Happiness Dimensional Scale and the Subjective Happiness Sources Scale that caters to persons with physical Disabilities (PWPDs) in Malaysia. A total of 290 PWPDs have been recruited. According to the findings, there are six dimensions of subjective happiness for physically disabled people (i.e. satisfaction, self-efficacy, positive emotion, meaning of life, spiritual well-being, and positive thinking) and also discovered 10 sources of subjective happiness (i.e. social interaction, support from caretaker, support from friends, support from institutions, support from equipment’s, accessibility, equality, freedom, achievement, and physical health. Exploratory factor analysis conducted in this investigation of the dimensions and sources of subjective happiness among PWPDs showed that there are four sub-scales for the dimensions of subjective happiness among PwPDs, (i.e. spirituality, emotion, self-efficacy, and satisfaction with accessibility). The study have also discovered eight sources of subjective happiness among PWPDs (i.e. support from caretaker,support from friends,support from equipments,accessibility,elimination,achievement,equality, and support from institutions) through the exploratory factor analysis conducted. This research is also believed to be beneficial, particularly in the field of Positive Psychology, to the disabled communities, institutions, governments and the society in general.