Among the given options, Alfonso de Albuquerque is the Portuguese who captured Goa. Goa was captured by the Portuguese in 1510 during the early days of European colonialism. Francisco de Almeida, the first Portuguese viceroy of India, established the Portuguese presence in India but did not specifically capture Goa. Vasco da Gama, another Portuguese explorer, was the first European to reach India by sea, but he did not capture Goa. Roberto de Nobili was an Italian Jesuit missionary and is not associated with the capture of Goa. Therefore, option 2, Alfonso de Albuquerque, is the correct answer. He is known for his military leadership and organization of Portuguese territories in the Indian Ocean, including Goa.