The name Sai is a boy's name meaning "holy or difference".

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Sai is a name used in India to honor Shirdi Sai Baba, a spiritual master revered by both Hindus and Muslims. 

As a Japanese name, it's featured in the Naruto universe, now given to dozens of baby boys each year.

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The name Sai peaked for boys at #1863 in 2025. The name is most popular in Washington, Louisiana, and New Jersey. Sai is occasionally used for girls in 2025.

The name Sai is a girl's name meaning "holy or difference".

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As an Indian name, Sai honors spiritual master Shirdi Sai Baba, who was revered by both Hindu and Muslim devotees. Sai is the name of the young heroine of Kiran Desai's prizewinning The Inheritance of Loss, while Sai De Silva is a Real Housewife of NYC.

Sai also has an unrelated Japanese root. Whatever derivation you use, Sai might be a fresh alternative to such names as Kai or Maya.

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The name Sai peaked for girls at #5286 in 2020. The name is most popular in New York, Florida, and California. Sai is occasionally used for boys in 2025.

Year	US rank	Births	Per million
2014	#2,423	53	27.6
2015	#2,453	52	27.1
2016	#2,615	48	25.3
2017	#2,482	52	28.1
2018	#2,117	67	36.9
2019	#1,865	81	45.1
2020	#2,016	71	41.1
2021	#2,270	62	35.4
2022	#2,078	73	41.8
2023	#2,075	72	42.1
2024	#2,162	68	39.5
2025	#1,863	85	49.8

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