Last name โรสมาริน (Rosmarin 
, Rosamarin , โรสมาริน ) , worldwide, is a rare family name. The family name โรสมาริน is habitual in Austria, where it is a rare surname, Czechia, and the United States. Not in comparison with a country's population, the name is most common in the United States, South Africa, and Austria. Very seldom, โรสมาริน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosmarin | Democratic Republic of the Congo, United States, South Africa, Thailand, Austria |
| Rosamarin | United States, Thailand |
| โรสมาริน | Thailand |