The main objective of the study was examined the relationship of decision-making ability on productivity of Department heads. Using a descriptive quantitative, correlational statistics, and adapted survey questionnaires to 100 department heads as respondents of the study who were selected using random sampling technique. The research reveals a moderate positive relationship between decision-making ability and the productivity of department heads. This suggests that as department heads demonstrate stronger decision-making skills, they are able to more effectively contribute to the overall productivity and performance of their respective departments. The overall mean indicates that various factors examined, including employee priorities, training consistency, communication level, motivational techniques, managerial attitude, and working environment, have a great extent of influence on the productivity of department heads, highlighting the importance of fostering a culture of shared vision, effective training programs, open communication channels, well-designed motivational strategies, positive managerial attitude, and a conducive work environment in supporting the decision-making abilities and productivity of department heads.