This book constitutes the refereed proceedings of the 10th Annual European Symposium on Algorithms, ESA 2002, held in Rome, Italy, in September 2002.The 74 revised full papers presented were carefully reviewed and selected from a total of 201 submissions. The papers address all current issues in Algorithmics, in particular computational biology, computational finance, computational geometry, databases and information retrieval, external memory algorithms, graph and network algorithms, graph drawing, algorithmic learning, network design, online algorithms, parallel and distributed computing, pattern matching, data compression, quantum computing, randomized algorithms, and symbolic computation.