This book constitutes the proceedings of the 30th International Symposium on Graph Drawing and Network Visualization GD 2022 held in Tokyo Japan during September 1316 2022. The 25 full papers 7 short papers presented together with 2 invited talks one report on graph drawing contest and one obituary in these proceedings were carefully reviewed and selected from 70 submissions. The abstracts of 5 posters presented at the conference can be found in the back matter of the volume. The contributions were organized in topical sections as follows properties of drawings of complete graphs stressbased visualizations of graphs planar and orthogonal drawings drawings and properties of directed graphs beyond planarity dynamic graph visualization linear layouts and and visibility graph representations.ampnbsp