In copyright law, related rights (or neighbouring rights) are the rights of a creative work not connected with the work's actual author. It is used in opposition to the term "authors' rights". Neighbouring rights is a more literal translation of the original  Both authors' rights and related rights are copyrights in the sense of English or U.S. law.
Related rights vary much more widely in scope between different countries than authors' rights. The rights of performers, phonogram producers and broadcasting organisations are certainly covered, and are internationally protected by the  signed in 1961.