Murtadha and Murtada, maybe other variations of writing, is the English pronunciation. Murtaza and Morteza, maybe other variations of writing, is how this name is pronounced in Iran, India and other countries.
The name was first given to Ali ibn Abi Talib, علي in Arabic, who was the cousin and the son-in-law of Muhammad, the prophet of Islam. The name means, who is chosen by preference. [noted -ed]