In the world, Ottocar (Ottocar 
) is an extremely rare masculine given name. Much less frequently, Ottocar is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ottocar | Brazil, Venezuela, United States |
| ottocar johann ernst ludwig von seebach DE (b. 1712) |
|
|
| ottocar ettinger (b. 1785) |
|
|
| ottocar von ungern-sternberg |
|
|
| ottocar nickerl |
|
Sa, Kuhn, Samson, Vargas, and Ruppenthal