The evaluation of Human Resources (HR) training, particularly in Public Administration (PA), has been the focus of studies and in-depth analysis for several decades. This paper proposes an additional model of evaluating HR training in Public Administration. The improvement of performances in PA is indeed an HR issue. Therefore, it is necessary to plan and invest in HR training, as a key component of empowering the employees’ knowledge, skills and abilities, with the intention of enhancing the intellectual capital of the organization, adding value to the PA. Another contributing point of this research is the assessment of training HR on intangible aspects, such as the reputation of the PA. Lastly, it is essential to build and to adopt an optimal process of evaluation of HR training to measure the return on investments in terms of tangible and intangible assets.