A knish dumpling is an Eastern European Jewish snack food consisting of a filling covered with dough that is either baked, grilled, or deep fried. Knishes are particularly associated with Eastern European Jewish cuisine.

Knishes can be purchased from street vendors in urban areas with a large Jewish population, sometimes at a hot dog stand or from a butcher shop. A Jewish potato knish (kuh-NISH) is a savory single-serving pie filled with meat, potatoes, kasha, sauerkraut, onions or cheese (and lately spinach and other.

They are also relatively easy to make at home, for cooks who want to experiment with their own fillings and flavors. Knish range in size from bite sized appetizers to serious meals, satisfying a range of tastes and needs.