Rocyo is a surname of Spanish origin, derived from the Latin word rocus meaning thick or tall. The name is believed to have originated in the 16th century, specifically in the region of Castile. It is associated with the Rocyo family, who were prominent Spanish settlers and politicians. The name has been recorded in various forms throughout history, including Rocyo, Roc, and Roc. In modern times, the name has been adopted by several individuals and families, often with a strong sense of heritage and tradition.