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Family name Dad (Dad
, دعد
, Daid
) , around the world, is a widespread surname. The cognomen Dad is characteristic of Pakistan, where it is quite a common surname, Ireland, where it is quite a rare surname, and Bahrain. In absolute terms, it most frequently occurs in Pakistan, India, and China. Much less frequently, Dad is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dad, Daid | India, Nigeria, United States, Pakistan, China |
| دعد | Iraq, Sudan, Lebanon, Syria, Jordan |
| Дад | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |