The study focused on role of local government leaders on effective decision making at central district of Zanzibar. The specific objective was to determine the relationship of local government leaders’ role of emotional Intelligence and effective decision making. Descriptive research design which involved quantitative approach was applied. The population was 10,725 while the sample consisted of 383. Purposive and random samplings were used in selecting the sample while questionnaires were used to collect data. Analysis of data was done by frequency distribution, percentages and correlation analysis. The findings showed that there was positive significant relationship between local government leaders’ role of emotional Intelligence and effective decision making. The correlation coefficient was 0.740, which implied that, there is strong positive relationship between leader’s role of emotional intelligence and effective decision making. The study recommended, government should increase workshops and seminars on emotional intelligence for local government leaders to enhance their capacity of making effective decisions.