This book constitutes the proceedings of 37th International Workshop on Combinatorial Algorithms, IWOCA 2026, held in Clermont-Ferrand, France, during June 8–11, 2026.The 37 full papers presented in this book were carefully reviewed and selected from 110 submissions. They deal with design algorithms for the myriad combinatorial problems that underlie computer applications in science, engineering and business.

This book constitutes the proceedings of 37th International Workshop on Combinatorial Algorithms, IWOCA 2026, held in Clermont-Ferrand, France, during June 8–11, 2026.The 37 full papers presented in this book were carefully reviewed and selected from 110 submissions. They deal with design algorithms for the myriad combinatorial problems that underlie computer applications in science, engineering and business.