No, Cristiano Ronaldo and Ronaldo Nazario are not the same person.

Cristiano Ronaldo is a Portuguese professional footballer who plays as a forward for Serie A club Juventus and captains the Portugal national team. He is often considered the best player in the world and is widely regarded as one of the greatest players of all time.

Ronaldo Nazario, commonly known as Ronaldo, is a retired Brazilian professional footballer who played as a striker. He is widely considered one of the greatest footballers of all time. During his career, Ronaldo won two FIFA World Player of the Year awards, the Ballon d'Or, three European Golden Shoes, two Copa Américas, and one UEFA Champions League title.

Both of these players are highly successful and renowned for their skill and performance on the pitch, but they are two separate individuals.

语音朗读：