Muhammad is the most popular name in the universe. It is the name of the Islamic prophet Muhammad, who is considered to be the founder of Islam. The name Muhammad means "highly praised" or "worthy of praise". It is a common name among Muslims, and it is also used by non-Muslims in some parts of the world. According to a study conducted by the University of Oxford, Muhammad is the most common name in the world, with over 1.9 billion people named Muhammad.