周打蚬汤（英语：Clam chowder）是一种巧达浓汤，主要材料为蚬，配料为马铃薯、洋葱等。周打蚬汤主要分为「新英伦周打蚬汤」及「曼克顿周打蚬汤」，前者以奶油为汤底，后者则以番茄为汤底。

Clam chowder is any of several chowder soups containing clams and broth. In addition to clams, common ingredients include diced potatoes, onions, and celery. Other vegetables are not typically used, but small carrot strips or a garnish of parsley might occasionally be added primarily for color. A garnish of bay leaves adds both color and flavor. It is believed that clams were used in chowder because of the relative ease of harvesting them. Clam chowder is usually served with saltine crackers or small, hexagonal oyster crackers.