Kieu is of Vietnamese origin, meaning 'bellflower'. It's a unisex name, often given to both boys and girls. In Vietnam, it's traditionally spelled as 'Kiều', using the Vietnamese alphabet. Internationally, it's commonly romanized as 'Kieu'.
The name Kieu experienced varied popularity over the years with peaks in 1983 and 1984 at 14 births each, and a notable decline starting from 1996 onwards, with consistent totals ranging from 5 to 7 births per year.