A single example of the R.90 was built, but the type did form the basis of the Romano R.83 and Romano R.92 fighters which were built in secret for the Spanish Republicans during the Spanish Civil War.
Giulio Romano | Romano Prodi | Ray Romano | L'Osservatore Romano | Romano WE84 | Romano Romanelli | Romano Guardini | Andrea Romano | Johnny Romano | Andrea Romano (professor) | Trevignano Romano | Romano Mussolini | Romano L. Mazzoli | Romano-Gothic | Romano di Lombardia | Gustavo Romano | Gerardo Romano | Ángel Romano | ''The Battle of the Milvian Bridge (Giulio Romano) | Romano's Macaroni Grill | Romano Scarpa | Rocco Romano | Louis Romano | Lois Romano | Horace Romano Harré | Giuseppe Romano | Daniel Romano | Christy Carlson Romano | Bassano Romano | A Romano's Macaroni Grill in Anaheim Hills, Anaheim, California |
In 1938 two aircraft were ferried to Spain and used by the Spanish Republican government in the fight with Nationalist forces.