Across the world, Ostroushko (Ostroushko 
) is an extremely rare unknown gender forename. Predominantly, Ostroushko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ostroushko | Russia, Estonia, Belarus, United States, Ukraine |
Mr, Andrey, Andrii, Dmitry, Dmytro, George, Nikita, Deyanna, Dmitriy, Mykola, Dmytrii, Tatyana, Timofey, Marjorie, Katerina, Jonathan, Vladimir, Nathaniel, Ekaterina, Tatiana, Maksym, Marina, Irina, Ms, Mike, Alex, Anna, Lynn, Igor, Marge, Anton, Artem, Chris, Peter, Denis, Danil, Daria, Julia, Taras, Terry, Natka, Hanna, Volodymyr, and Christopher