What is linguine with clam sauce called?

Linguine with clam sauce doesn't have a specific, widely recognized name beyond "linguine with clam sauce". It's a classic Italian-American dish, and you'll usually find it listed on menus just as that.

While it might be called something like "Linguine alle Vongole" in some restaurants, that name is more accurate for a dish with a different sauce (usually a white wine sauce with garlic and olive oil).

So, the simplest and most common name for linguine with clam sauce is just Linguine with Clam Sauce.