Patel most common Indian surname in US The US Census Bureau study found that Patel, ranked 172nd, is the most common Indian surname in America. A total number of 145,000 Patels are in the US.The study was based on returns from the 2000 census that takes place every ten years, with the Western name Smith taking the top position.The second most common Indian last name was Singh, its overall ranking was 396th, with 72,642 Singhs in the country. Singhs are Sikhs and also Hindus with roots in states other than Punjab.Khans ranked at 665th, but Khans come from Pakistan and Afghanistan as well as India.Shah ranked at 831, Sharma at 2247, Kumar at 2293 and Desai at 2540. Guptas, Reddys, Mehtas and Raos brought up the rear.The growth of the Indian origin population was the highest among all Asian origin groups. From 820,000 in 1990 it rose to 1.6 million in 2000 and is the third largest Asian American group in the US. Indian Diaspora is largest in globalized world More than 20 million Persons o...