The present move towards a global world demands sincere efforts for a better mutual understanding on ethical basis so that the visions, loyalties, ideals and values of individuals irrespective of their religious affiliations can be developed. This study aims to present the importance of Islamic ethics for the global society. It briefly examines the Islamic ethics and suggests that Quran, Sunnah, the literature of Adab and legal rulings are the main sources of ethics in the Islamic tradition. This is followed by a discussion on the Islamic injunctions on important ethics of multi-faith society such as righteousness and goodness. This is followed by the discussion on religious pluralism as the basic ethic of global society. The opinions of the Muslim jurists about the liberty of faith are also explored. The final part of the paper analyses in detail the legal rulings of Islam regarding interfaith marriages and social relations among the followers of different religious traditions.