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Diem
UnisexMeaning of Diem: Vietnamese: 'day'
Diem is a unisex name most strongly associated with Vietnamese naming. It has 4 letters and 1 syllable, and it is a genuinely rare and unique choice — 11329th most popular name in the United States in 2025.
US rank 2025
#11329
7 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
806
First recorded 1980 · peak 2016
Trend
stable
Style: rare
Popularity over time
Gender split
11% boys · 89% girls, based on US, UK and international usage.
Origins & cultures
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Irish · 2 syllables
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Spanish · 2 syllables
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