What Rui means
Rui has more than one naming route in the cited origin entries: distinct naming traditions.
Origin, language, and formation
Rui is used in English and Portuguese. Its origins include Japanese and Portuguese.
Related names and everyday forms
Related names include Roderick.
Pronunciation and spelling
In Portuguese, Rui is pronounced /ˈʁuj/.
American usage and historical context
In the United States, 887 boys were recorded with the name Rui between 1967 and 2025. Its highest annual count was 62 in 2024; its best national rank was #2,104 in 1971.
Over 5 years its rank rose, from #3,634 in 2020 to #2,672 in 2025. Over 10 years its rank rose, from #5,018 in 2015 to #2,672 in 2025.
In the United States, 85 girls were recorded with the name Rui between 2006 and 2025. Its highest annual count was 12 in 2022; its best national rank was #8,950 in 2022.
Over 5 years its rank rose, from #13,212 in 2020 to #9,978 in 2025.
Sources & methodologyReferences, data & attribution
Meaning, origin, and language notes draw on the references below.
American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.
- Wiktionary: Rui (English)
- Wiktionary: Rui (Portuguese)
- U.S. Social Security Administration: national name data and limitations
Wiktionary material is available under CC BY-SA 4.0.