All over the world, Grosa (Grosa 
) is a very rare mostly feminine, but uncommonly boy's given name. The first name Grosa is characteristic of Eastern Europe, particularly Romania, where it is a rare feminine name. More prevalently, Grosa is the last name as well as the forename.
Mr, Paolo, Pedro, Guido, Laura, Leila, Līga, Julia, Elina, Eugen, Horst, Vitor, Ilona, Ivone, Marcus, Mayara, Monica, Sanita, Silvia, Agnese, Carina, Rafael, Cleia, Carla, Chris, Mauro, Ms, Ana, Rui, Jan, Mael, Mila, Alex, Anne, Aiga, Peli, Daniel, Pely, Dace, Dirk, Jana, Jose, John, Toni, Nuno, Ilze, Maria, Marli, Pili, and Gaston