Meaning and name origin
Ronaldo \r(o)-nal-do, ron(a)-ldo\ as a boy's name is of Old Norse origin, and the meaning of Ronaldo is "ruler's counselor". Ronaldo is a variant of Ronald (Old Norse): also possibly from the same root as Reginald and Reynold.
Ronaldo▼ has 1 variant form: Renaldo.
Ronaldo is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Ronaldo for boys. Ronaldo reached its highest rank of #552 in the U.S. in 1998. (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Ronaldo and its variant forms. Popular variation forms ranked in the Top 1000/100 are Ronald (#397) and Ronaldo. (2014 statistics).