拟态弧菌（学名：Vibrio mimicus），又名模拟弧菌，为弧菌科弧菌属下的一个种。

Vibrio mimicus is a Vibrio species that mimics V. cholerae. V. mimicus has been recognized as a cause of gastroenteritis transmitted by raw oysters, fish, turtle eggs, prawns, squid, and crayfish. V. mimicus, when carrying genes that encode cholera toxin, can cause severe watery diarrhea. Consumers and physicians should be aware that improperly handled marine and aquatic animal products can be a source of V. mimicus infections. Consumers should avoid cross-contamination of cooked seafood and other foods with raw seafood and juices from raw seafood and should follow FDA recommendations for selecting seafood and preparing it safely.