Yes, consuming sushi is generally permitted (halal) under Islamic dietary law, provided that the specific ingredients comply with halal guidelines. Seafood—including all finfish, shrimp, crab, and squid—is inherently halal, meaning standard fish nigiri, sashimi, and vegetable-based rolls are completely acceptable for Muslim diners. However, consumers must carefully ensure that dishes do not incorporate prohibited elements, such as non-halal meats like bacon or pork, cross-contaminated preparation equipment, or specialized sauces and vinegars containing intoxicating amounts of unevaporated alcohol, such as regular sake or certain types of mirin derivatives.