The Ethics of Cooperation in the Holy Quran and its Applications from an Islamic Perspective: This MA thesis tackled the ethics cooperation (taawun ) in the Holy Quran and its applications from the Islamic perspective. It aimed at presenting a clear and comprehensive picture of this great Islamic ethics, which would help to elevate the Islamic personality and community. Methodologically speaking, the study traced the Quranic verses calling for the ethics of cooperation, either directly or implicitly, and extracted the most important motives that contribute in one way or another to improve the ethics of cooperation and showed its importance and effects in people's lives. Then, the study focused on analyzing the Quranic stories revealing cooperative behavior, applied it to the current situation of Muslims and deduced its characteristics and morals. In the end, it dealt with the most important obstacles to the true representation of this ethics and suggested ways that help to overcome them. This thesis was divided into four chapters: 1. Chapter One's title: Cooperation Divisions, Motives, Importance and Effects. 2. Chapter Two's title: Cooperation Examples in the Holy Quran and its Characteristics and Morals. 3. Chapter Three's title: Cooperation Areas in The Contemporary Reality. 4. Chapter Four's title:Cooperation Obstacles and Means to overcome Them The study concluded with a set of results, the most important of which are: 1. The Holy Quran is rich of ethical rules that regulate human behaviorsand their relationship with others. 2. The motives are the basis that guide the cooperative behavior towards goodness or evil. 3. Cooperation has two basic criteria: intention and consequence.