This book constitutes revised selected papers from the refereed proceedings of the 15th International Workshop on Rewriting Logic and Its Applications, WRLA 2024, held in Luxembourg City, Luxembourg, during April 6-7, 2024. The 11 full papers included in this book were carefully reviewed and selected from 16 submissions. They focus on several topics, e.g., foundations; rewriting as a logical and semantic framework; rewriting languages; verification techniques; applications; and education.