It is indicated that the introduction of advanced international and European norms regarding the functioning of law enforcement agencies into Ukrainian legislation is a key indicator that the country not only declares a sustainable course for the democratization of all aspects of public life, but also takes concrete measures for its implementation. Ukraine has made significant progress in this direction, but there are still a number of challenges, the legal analysis of which will contribute to the further approximation of the domestic system of law enforcement agencies to global and European standards. In this context, one of the priority areas of scientific research is the justification of the need to update and improve the ethical codes of conduct of law enforcement officers based on international standards. This task becomes particularly relevant in view of the need for constant improvement of professional ethics and standards of behavior in the law enforcement sphere. This approach will not only improve the efficiency of law enforcement agencies, but also strengthen public trust in them, which is crucial for building the rule of law and civil society. In addition, it will allow Ukraine to demonstrate its commitment to the principles of the rule of law and the protection of human rights in the international arena. The article examines the system of international legal norms and principles that form the basis of legal regulation of the activities of national law enforcement agencies. Two groups of international standards are distinguished. The first group includes international legal acts that declare human rights and freedoms, primarily those that may be violated by the unethical behavior of law enforcement officers as representatives of state bodies. The second group represents international legal standards of professional and ethical behavior of employees of a specific law enforcement agency, the norms of which directly indicate the proper behavior of law enforcement officers in a specific area of law enforcement activity (judicial, prosecutorial, police, investigative, etc.). The main emphasis is on the need to cover the rules of professional ethical behavior of employees of all law enforcement agencies without exception, including those legally endowed with special rights and competence.