Notaries as public officials who carry out the profession in providing legal services to the public, need to get protection and guarantees in order to achieve legal certainty. This study aims: (1) To determine the implementation of notary supervision conducted by the Notary Regional Supervisory Board in the City of Baubau (2) To determine the factors that influence the implementation of notary supervision by the Regional Notary Supervisory Board of the City of Baubau. This study uses an Empirical Juridical approach that seeks to link prevailing legal norms with reality in society, the authors conduct research with analytical descriptive research that is to reveal the real problem or situation, to reveal the facts of the research so as to provide an objective picture. The results of the study show that (1) The implementation of notary supervision by the Notary Supervisory Board in the City of Baubau by making efforts to guide, supervise the notary, that supervision as a preventive and curative activity, preventive activities carried out are activities that include authority administrative, regulate procedural procedures and notary protocols, while curative regulates the taking of suspected violations. (2) Factors influencing the implementation of notary supervision by the Regional Supervisory Board of Baubau City, namely in carrying out their functions and duties, human resources are not yet maximal, supporting infrastructures are still limited, budgets are still very minimal, coordination between management is still low. weak, lack of legal awareness from several notaries, especially administrative order