The main objective of this thesis is to define the rights of performer as complexly as possible and to describe the tools of their legal protection in general and in more detail to describe the tools of their legal protection in the realm of internet and social media. The topic of this thesis is systematically divided into six chapters, which are further subdivided into subchapters. The first chapter provides an overview of formal sources of law regulating the rights of performers and affecting the Internet and social media. The second chapter provides a general characteristic of copyright and rights of performers. This chapter also places these rights into the context of intellectual property law and defines the term intangible asset. In the third chapter, attention is paid to defining the concepts of the author's work, artistic performance and the difference between them, including differences between the author and the performer. The fourth chapter deals with the rights of the performer. It deals with their nature, conditions of origin and extinction and contains their comprehensive list. Part of this chapter is a subchapter on collective management or license agreement. The fifth chapter defines the concepts of the Internet and the social media. Attention is also paid to the definition of...