The proposed dictionary contains for the first time the most common terms on graph theory and its applications in computer science and programming. Each term is given in Russian and English, followed by its description indicating the available literature. At the end of the dictionary is an index of English terms. The dictionary is well illustrated. For a wide range of specialists using graph theory methods in solving their problems, primarily for system and application programmers, as well as for CAD specialists, SVIS designers, etc.