Surname Дико (Diko 
, Dico , Дико 
) , globally, is a common family name. The cognomen Дико is characteristic of Guam, where it is quite a common surname, Solomon Islands, and Albania, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in South Africa, Nigeria, and Philippines. Also, Дико is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diko, Dico | Ethiopia, Nigeria, Indonesia, Philippines, South Africa |
| Дико | Ukraine, Russia, Bulgaria, Kazakhstan |
| Dyko | Germany, Indonesia, United States, United Kingdom, Poland |