To achieve efficient service delivery, the Kenyan government needs to sustain high performance in its institution’s routines and daily operations. Service delivery through decentralisation of services can enhance productive efficiency by promoting accountability, reducing corruption and improving cost recovery. This study aimed at establishing the influence of leadership style and employee training on service delivery in government institutions in Kenya. The specific objectives were; to establish the effects of leadership style and employee training on service delivery in government institutions in Kenya. The study adopted a descriptive research design. Stratified random sampling was employed and a sample size of 59 respondents was arrived at from a target population of 198 employees. The quantitative data was collected using a structured questionnaire. Data collected was analyzed using SPSS and descriptive output presented on the tables, figures and charts for interpretation. The results showed that leadership style affects the service delivery in government institutions at high rate of 86%. According to this study 60% of the respondents said that leadership style influences service delivery to very great extent 23% to a great extent, 10% to a low extent while 7% to a very low extent. On employee training, 81% of the respondents felt that employee periodic training affects the service delivery in government institutions. Moreover, 57% of the respondents agreed that effective employee training influence service delivery to a very great extent, 28%to a great extent, 9% to a low extent, and 6% to a very low extent. The study recommends that government institutions adopt best leadership styles and effective employee training to ensure excellent service delivery.