Family name Harmonia (Harmony 
, Armonie 
, Armonia 
) , all over the world, is quite a common cognomen. The family name Harmonia is characteristic of Israel, where it is quite a rare surname, Ghana, and Cameroon, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Nigeria, Indonesia, and the United States. More frequently, Harmonia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harmony | United States, Indonesia, Nigeria, Democratic Republic of the Congo, Zimbabwe |
| Armonie | United States, France, Philippines, Democratic Republic of the Congo, Italy |
| Armonia | Argentina, United States, Spain, France, Philippines |
| Harmonia | Argentina, United States, Indonesia, Nigeria, Democratic Republic of the Congo |