Sauces & Condiments Β· 3 substitutes

Fish Sauce Substitutes

Pungent fermented fish liquid for umami depth.

3
Substitutes
3.3/5
Avg quality
8
Use contexts

Best swap

The closest stand-in for Fish Sauce is Seaweed + Soy Sauce, used at 1 tsp soy sauce steeped with nori for 30 minutes = 1 tsp fish sauce and rated 4/5 across 8 cooking contexts.

4/5
Seaweed + Soy Sauce - top pick
3
tested substitutes
3.3/5
average quality across all swaps
4
dietary options covered

Across the 135 ingredients we track, the typical ingredient has about 3.6 documented substitutes.

Common uses for Fish Sauce: Thai curries, pad thai, stir-fries, dressings, pho. The best substitute usually depends on which of these functions, flavor, moisture, fat, binding, or leavening, you most need to preserve.

Every documented substitute for Fish Sauce

Ranked by quality score (1–5, where 5 is virtually identical). Check the ratio and context tags before swapping, not every substitution is 1:1.

Seaweed + Soy Sauce
Good
Ratio: 1 tsp soy sauce steeped with nori for 30 minutes = 1 tsp fish sauce

Nori adds ocean umami. Steep in soy sauce for 30 minutes, remove seaweed.

Best for: vegan Asian cooking, soups, dipping sauces
Soy Sauce
Fair
Ratio: 1:1 ratio

Provides saltiness and depth without fishy notes. Works in most Thai recipes.

Best for: Thai cooking, stir-fries, marinades, dressings
Soy Sauce + Lime Juice
Fair
Ratio: 1 tsp soy + 1/4 tsp lime = 1 tsp fish sauce

Provides saltiness and acid. Lacks depth of fish sauce.

Best for: Thai cooking, Vietnamese cooking, dressings, marinades

How the Fish Sauce substitutes score

Quality rating (1–5) for each documented stand-in

/5

What this shows Seaweed + Soy Sauce leads at 4/5; bars fall off as the trade-offs in flavour or texture grow.

Source PlainSubstitute editorial quality scores As of July 2026

Where Fish Sauce ranks for swap options

Number of documented substitutes per ingredient, across the whole database

3 Bottom 8% higher than 8% of 135 ingredients we track

0–1: 0 ingredients we track (0%). Below this entry. 1–2: 0 ingredients we track (0%). Below this entry. 2–3: 11 ingredients we track (8%). Below this entry. 3–4: 54 ingredients we track (40%). This entry sits in this band. 4–5: 59 ingredients we track (44%). Above this entry. 5–6: 7 ingredients we track (5%). Above this entry. 6–7: 0 ingredients we track (0%). Above this entry. 7–8: 1 ingredients we track (1%). Above this entry. 8–9: 3 ingredients we track (2%). Above this entry. Fish Sauce 0 9 every tracked ingredient, bucketed by value

Each bar is a band; taller bars hold more ingredients we track. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source PlainSubstitute editorial database Β· July 2026

Quick comparison

# Substitute RatioQuality
1 Seaweed + Soy Sauce 1 tsp soy sauce steeped with nori for 30 minutes = 1 tsp fish sauce 4/5
2 Soy Sauce 1:1 ratio 3/5
3 Soy Sauce + Lime Juice 1 tsp soy + 1/4 tsp lime = 1 tsp fish sauce 3/5

Choosing the right swap

Start with Seaweed + Soy Sauce, then adjust for what your recipe needs.

  • Match the substitute’s context tag to your recipe, a swap that shines in baking can fall flat in a sauce.
  • Respect the listed ratio. Many swaps are not 1:1, and over- or under-dosing is the most common reason a substitution disappoints.
  • Working around a diet? 4 of these options carry dietary tags, filter by your need. Browse by diet
  • Need the opposite lookup? Browse other Sauces & Condiments ingredients with overlapping swaps. More Sauces & Condiments

Quality scores reflect overall similarity to the original; expect small differences in texture or colour even with top-rated swaps.

Other Sauces & Condiments ingredients

Substitution ratios and quality scores for Fish Sauce are compiled from established culinary references, food-science literature on ingredient functionality, and documented professional kitchen practice. See our methodology.

According to PlainSubstitute's curated database (last reviewed July 2026), this ingredient is one of 135 base ingredients covered, with 486 documented substitute pairings across the site.