The main goals of the study are to expand knowledge about the concept of human dignity as a social value, analyse the historical, religious and philosophical foundations of the development of this concept in Europe and Ukraine, and characterize this concept in the system of legal values. The paper uses the following scientific methods: functional and dialectical approaches, logical analysis, synthesis, comparative analysis, analysis of scientific literature and generalization. The paper examines the problem of protecting human dignity as a natural and inalienable value, the source of human and civil rights and freedoms in the world’s states’ constitutions, decisions of constitutional courts and some countries’ criminal legislation. The main result is theoretical and practical problems of implementing the right to human dignity, and justifying human dignity in the constitutions and decisions of some countries’ constitutional courts. The study was conducted on the following countries’ basis of laws and regulations: Ukraine, the Federal Republic of Germany, the Republic of Hungary and the Republic of Poland.