Today, many states deprive individuals of their citizenship, which they deem dangerous for their country and citizens, especially on the grounds of public safety. States grant themselves a wide margin of appreciation for various reasons in the implementation of the decision to strip them of citizenship. However, using this power, arising from the sovereign right, for security reasons and ensuring the necessary protection in this way become a matter of debate on whether some fundamental rights and freedoms secured by international conventions are violated or not. In other words, it is endeavored to determine the effects of these applications on fundamental rights and freedoms. In recent years, there are decisions of the European Court of Human Rights on the effects of deprivation of citizenship produced on fundamental rights and freedoms. After all, the right to citizenship is not conceptually included in the scope of the European Convention on Human Rights (ECHR). However, the consequences and effects of an individual’s deprivation of citizenship are discussed in conjunction with the European Convention on Human Rights. Stripping of an individual’s citizenship involuntarily by putting certain reasons forward, whether this deprivation decision is arbitrary or not, whether it intervened in private and family life of the individual or not and whether this situation is contrary to the article 8 of the ECHR or not are at the center of these debates. Within the scope of this study, first of all, the concept of deprivation of citizenship will be emphasized and attempt will be made to exemplify the subject through the comparative law practices. In addition, a chronological overview of the concept of deprivation of citizenship within the scope of Turkish Citizenship Act will be made and the subject will be evaluated within the scope of the Turkish Citizenship Law No. 5901, which is currently in force. Subsequently in the study, in the light of the European Convention on Human Rights and of the decisions of the European Court of Human Rights which criteria have been considered, when taking the right to citizenship and the institution of deprivation of citizenship issues as subject matter of the evaluation and interpretation, is mentioned..