As a result of the conducted scientific research the range of executive agencies in the field of scientific, scientific and technical activity in Ukraine has been established. The latter are not individually represented in the mechanism of the state apparatus. Nowadays they include: the Cabinet of Ministers of Ukraine, the Ministry of Education and Science of Ukraine, the Ministry of Strategic Industries of Ukraine, the Ministry of Energy of Ukraine, the Ministry of Economic Development, Trade and Agriculture of Ukraine, the Ministry of Internal Affairs of Ukraine, the Ministry of Protecting Environment and Natural Resources of Ukraine, the Ministry of Infrastructure of Ukraine, the Ministry of Health of Ukraine, the Ministry of Justice of Ukraine, the Council of Ministers of the Autonomous Republic of Crimea and local state administrations. It has been established that the latter are represented at all levels of executive power: higher, central and local. Some of them are agencies of general competence, while others are sectoral. Most of them are presented in the form of single-governing agencies; some are presented in the form of collegial ones. It has been additionally determined that the executive authorities in the field of scientific, scientific and technical activities in Ukraine are part of the group of governing agencies of social development and culture. The author has offered own classification of executive agencies in the field of scientific, scientific and technical activity in Ukraine depending on whether the function of management of the field of science and technology is basic or optional for them. According to this criterion, the Ministry of Education and Science of Ukraine is assigned to the first category, all others – to the second group.