Around the globe, Idayu (Idayu 
) is a rare girly given name. The given name Idayu is habitual in South-eastern Asia, particularly Malaysia, where it is a rare girly name, Singapore, and Indonesia, where it is a very rare girly name. Also, Idayu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Idayu | Malaysia, Singapore, Indonesia, United States |
| mas idayu MY (b. 1969) |
|
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| idayu widya hastari Indonesian political candidate, ID |
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