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Last name Raghavan (Raghavan , ராகவன்) , in all the world, is a common family name. The surname Raghavan is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a common surname, Oman, and Bahrain (explore the name in all countries). Measured by absolute frequency, the name is most common in India, United Arab Emirates, and Malaysia. More frequently, Raghavan is the forename as well as the last name.