Subject of this graduate thesis is the right of access to a court, which is constitutive element of human and procedural right to a fair trial. It includes wide range of procedural rights, in which the most important are the right to iniciate judicial proceeding, then the right to resolve the dispute by the court and subsequently an adoption and enforcement of a final decision in judicial proceedings. Graduate thesis begins from introductory, general notes on the concept of the right to access to a court which is protected by the domestic and international regulations, of which the most important are the Constitution of the Republic of Croatia and European Convention on Human Rights which will be more elaborated in further part of thesis. At legal arrangement of right to access to a court in Republic of Croatia, that right will be related to relevant principles of civil procedure law, where the accent will be on the principle of hearing parties and principle of providing assistence to the parties. In the legal protection of access to court, the focus will be on the protection of the Constitutional Court of the Republic of Croatia, whose task is to protect human rights and fundamental freedoms guaranteed by the Constitution through decision-making through constitutional lawsuits against the state or public authorities, with the most significant article 29, which guarantees the right to a fair trial, which is part of the right of access to court. Thereafter, an example of practice will be presented. Subsequently, the thesis deals with the issue of exempting parties from the previous payment of the costs of the proceedings, thus allowing the economically weaker to obtain protection by the courts. Then the international protection of access to court is handled, where it will go through the institution of the European Court of Human Rights and its judiciary. In the last part, the right of access to the Court of Justice of the European Union and the abuse of the right of access to justice will be processed.