The main purpose of the study is to assess the effect of financial management practices on service delivery in public health facilities by using Sunyani Municipal Hospital, Bono Region as a case study. In order to achieve this broad purpose, three specific objectives were developed. These were: to evaluate the effects of budgeting on service delivery at the Sunyani Municipal Hospital, identify the effect of financial accountability on service delivery at the Sunyani Municipal Hospital and to determine the effect of financial managements on service delivery at the Sunyani Municipal Hospital. The study adopted the survey design. A sample size of 72 out of the population of 223 staff in Sunyani Municipal Hospital was used. The instrument used for data collection was a self-administered questionnaire. The statistical technique used to analyse the objective was regression technique. The study found that budgets are consistent with the dictates of the accounting and financial management principles in Sunyani Municipal Hospital. The study also observed that financial accountability is fairly high in the Sunyani Municipal Hospital. The study concludes that the Sunyani Municipal Hospital has good financial accountability. The study concludes that financial accountability directly affects service delivery. It is however recommended that the management of the Sunyani Municipal Hospital draws up a plan to monitor the work progress and performance of all staff of the hospital and reduce the period for evaluation to half of the present period. The Hospital management should draw up a plan to review their financial management practices from time to time to meet international standards and also, management of the Sunyani Municipal Hospital should work to maintain and improve their financial control in order to meet the strength of the budgetary practices and financial accountability.