Last name Otoniel (Otoniel 
) , in the entire world, is a common family name. The surname Otoniel is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is quite a common surname, Honduras, where it is quite a rare surname, and Mexico. In absolute terms, this name is the most popular in Latin America and the Caribbean, particularly Mexico, Nicaragua, and Guatemala. More frequently, Otoniel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Otoniel | Nicaragua, Brazil, Mexico, Guatemala, El Salvador |