The purpose of this study was to investigate the effects of training on employee performance of selected Commercial Bank of Ethiopia in Dawro Zone. The main objective of training is to improve employee knowledge and the skills for their better performance. The performance is measured in terms of the improvement in motivation, efficiency and the Employee Job Satisfaction. Both primary and secondary data sources were used. Structured questionnaire was designed to collect the information from the respondents. The collected data were analyzed using descriptive statistics and multiple regressions. Regarding the frequency of training provided, many respondents, i.e., 139 out of 160 respondents avowed that they took training for one or two times. This may retard the effectiveness and motivation of employees of the organization. Regarding the methods implemented to deliver trainings, the company mostly used induction/orientation in which 25 percent (40 out of 160 respondents) affirmed that they took trainings through lecture. The findings on the Effect of Training on Employee Performance are generally significant.