Family name Datu-Oto (Datu-Oto 
) , all around the world, is a rare last name. The cognomen Datu-Oto is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname. Much less frequently, Datu-Oto is the forename as well as the last name. Parts of the name also exists independently as a last name Datu, and a first name Oto.
| VARIANT | COUNTRY |
|---|---|
| Datu-Oto | Philippines |
Kim, Al-Azizan, Ladjasan, Norhaya, Noraida, Biangga, Bedaria, Bai-Hamida, Annessa, Alcabir, Monaira, Mastura, Marites, Fatima, Harida, Lumbay, Alhadi, Mursid, Doy, Aida, Aisa, Dhol, Alice, Andan, Sitty Normia, Abdul, Jimmy, Najar, Haris, Hanna, Hasim, Habib, Kiram, and Sweet Harmaris