An Italian sandwich is a classic, delicious lunchtime option. But did you know that there are many synonyms for this classic sandwich? One popular alternative name for an Italian sandwich is a sub. This name is derived from the fact that the sandwich is served on a long roll or baguette that is typically sliced down the middle. Another common synonym for an Italian sandwich is a hoagie. This name has a slightly different origin, as it comes from the city of Philadelphia where the sandwich was first popularized under this name. Regardless of what you call it, an Italian sandwich is a great way to enjoy a tasty lunch!