Soy sauce is one of the closest alternatives to fish sauce, boasting a similar umami richness, though it lacks the distinct seafood flavor. Substitute it in a 1:1 ratio.
Worcestershire Sauce, while not identical, has a complex flavor profile that lends a similar depth of flavor to dishes. Use about half the amount of Worcestershire Sauce as you would fish sauce due to its stronger flavor.
Tamari is a less well-known, but effective substitute for fish sauce. It is a type of soy sauce with a deeper color and richer flavor. Use it in a 1:1 ratio.
Coconut aminos, made from fermented coconut sap, can mimic the salty and slightly sweet flavors of fish sauce. Use it in a 1:1 ratio.
Vegan Fish Sauce
Vegan fish sauce is a plant-based substitute made from seaweed, mushrooms, and other ingredients to mimic the savory sea flavor of traditional fish sauce. Use it in a 1:1 ratio.
Miso paste, especially the darker versions like red or brown miso, brings a robust umami flavor to dishes. However, its thick consistency requires dilution. For each teaspoon of fish sauce, substitute with a half teaspoon of miso paste diluted in water.
Soy Sauce and Lime Juice
The combination of soy sauce for saltiness and lime juice for tang can serve as a good substitute. Mix them in equal parts to mimic the flavor of fish sauce.
Anchovy paste, made from ground anchovies, can be used in place of fish sauce. For each tablespoon of fish sauce, use half a tablespoon of anchovy paste.
Shrimp paste, a common ingredient in Southeast Asian cuisines, can replace fish sauce in a pinch. Substitute in a 1:1 ratio, but adjust to taste due to its strong flavor.