Thu

♀ Girl

Pronounced TOO /ˈtuː/Medium

Meaning: Thu is a Vietnamese girls' name meaning 'autumn', the season. In Vietnamese it is a single soft syllable, closer to 'too' than the English 'th' sound suggests. It entered American records with the Vietnamese families who resettled in the United States after 1975.Medium

In 30 seconds: Thu is a Vietnamese name meaning 'autumn'. Said close to 'too', it arrived with Vietnamese families who came to America after 1975.

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Origin MediumVietnamese

MeaningThu is a Vietnamese girls' name meaning 'autumn', the season. In Vietnamese it is a single soft syllable, closer to 'too' than the English 'th' sound suggests. It entered American records with the Vietnamese families who resettled in the United States after 1975.

U.S. rank (2018)#9108 ↗ Rising

2018 U.S. births12 girls (0.00% of U.S. girls)

Peak year1983

Total births (all-time)≈ 832

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Thu is a Vietnamese word-name meaning 'autumn'. It appears in American records chiefly among the Vietnamese-American community that grew after the resettlement following 1975, and reached its recorded high around 1983.

As a living Vietnamese name it carries the quiet beauty of the autumn season. Brief and gentle, it reads very differently depending on whether it is said the English or the Vietnamese way.

Did you know? Though its spelling suggests an English 'th', Thu is pronounced with a soft t, closer to 'too' — a reminder that its sounds belong to Vietnamese, not English.

Overall data confidence 68%

References — Thu — Vietnamese 'autumn'; post-1975 community

Variations

Thuy

Nicknames

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If you like Thu…

Mai— a like Vietnamese girls' name

Linh— another Vietnamese heritage name

Anh— shares the brief Vietnamese single-syllable style

Thuy— a similarly popular pick

Tai— lands in the same popularity range

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Frequently Asked

What does the name Thu mean?

Thu is a Vietnamese name meaning 'autumn'.

How do you pronounce Thu?

It's said TOO /ˈtuː/ — one syllable.

Is Thu a boy or girl name?

Thu is used as a girl's name.

How popular is Thu?

Thu is an uncommon heritage name in the U.S., reaching its recorded high in the early nineteen-eighties.