Is there a substitute for horseradish in shrimp cocktail sauce?

Yes, there are several substitutes for horseradish in shrimp cocktail sauce. You can use prepared mustard, wasabi, or even a bit of hot sauce to replicate the heat and tanginess. Alternatively, a combination of grated ginger and a splash of vinegar can provide a similar flavor profile. Adjust the amount to taste, as these substitutes can vary in intensity.