The article analyzes the concept of "customs regime", characteristic features are formulated, main elements, goals and functions of customs regimes in the development of foreign economic relations. The classical classification of customs regimes under the Customs Code of Ukraine is substantiated. Based on the analysis, a position on the study concept is substantiated, the interpretation of the category "Customs regimes" is provided. The conducted research confirms that under the customs regime, we understand the set of customs procedures that establish the rules for moving goods through the customs border of Ukraine and their further use in order to ensure the interests of the state in the customs sphere. The functions of customs regimes are analyzed: fiscal, which finds its implementation in the collection of customs payments in order to ensure the financial interests of the state in foreign economic activity; stimulating, implemented by exempt from customs taxation and the use of non-tariff regulation, simplification of customs procedures in order to stimulate subjects of foreign economic activity, promoting the development of a national economy, etc.; protective, which involves the use of non-tariff regulatory measures and aims to protect the economic and other national interests of the state by introducing a licensing, quota and other non-tariff restrictions when placing goods in customs regimes; control - aimed at ensuring compliance with the norms of the current legislation of Ukraine in the customs sphere, which is implemented through specific methods and forms inherent in control in the field of public administration; the regulatory, purpose of which is to regulate the order of action when placing the goods in the customs regime associated with the direction of movement of goods through the customs border, the definition of the status of goods and operations with it, etc. According to the results of generalization, the study is substantiated by the classification of customs regimes, which includes: a) the main (import (issue for free circulation) and export) as customs regimes aimed at ensuring the state's financial interests in foreign economic activity; protection of its economic and other national interests; b) preferential customs regimes (transit, customs warehouse, free customs zone, temporary import of goods to customs territory and exports at its boundaries, processing in customs territory and abroad), the purpose of applying which is to stimulate the subjects of foreign economic activity of the state, development of the national industry, promoting international trade, economic relations and relationships in the humanitarian sphere; c) special customs regimes (Repimport, re-export, duty-free trade, destruction or destruction and refusal of the state) that are not provided for by the European Union's customs law and in its essence or are auxiliary, or such that define certain signs of goods.