A yellowtail may be any of several different species of fish:
- Chloroscombrus chrysurus
- Limanda ferruginea
- Ocyurus chrysurus
- Plectroglyphidodon lacrymatus
- Seriola lalandi
- Seriola quinqueradiata
- Trachurus novaezelandiae
Most commonly the yellowtail amberjack Seriola lalandi is meant.
In addition, "yellowtail" appears in many other common names of fish:
- Butter yellowtail Seriolina nigrofasciata
- California yellowtail Seriola lalandi
- Cape yellowtail Seriola lalandi
- Common yellowtail croaker Umbrina xanti
- Dusky yellowtail Seriolina nigrofasciata
- Giant yellowtail Seriola lalandi
- Great yellowtail Seriola dumerili
- Greater yellowtail Seriola dumerili
- Indian yellowtail angelfish Apolemichthys xanthurus
- Longfin yellowtail Seriola rivoliana
- Pacific yellowtail emperor Lethrinus atkinsoni
- Queensland yellowtail angelfish Chaetodontoplus meredithi
- Redbelly yellowtail fusilier Caesio cuning
- Slender yellowtail kingfish Alepes djedaba
- Southeast Asian yellowtail rasbora Rasbora tornieri
- Southern yellowtail Seriola lalandi
- Yellowtail amberjack Seriola lalandi
- Yellowtail angelfish Apolemichthys xanthurus
- Yellowtail angelfish Centropyge fisheri
- Yellowtail angelfish Chaetodontoplus personifer
- Yellowtail ballyhoo Hemiramphus brasiliensis
- Yellowtail barracuda Sphyraena flavicauda
- Yellowtail bass Bathyanthias mexicana
- Yellowtail blue snapper Paracaesio xanthura
- Yellowtail butterflyfish Chaetodon xanthurus
- Yellowtail catfish Pangasius pangasius
- Yellowtail chromis Chromis enchrysura
- Yellowtail clownfish Amphiprion clarkii
- Yellowtail clownfish Amphiprion sebae
- Yellowtail coris Coris gaimard
- Yellowtail croaker Austronibea oedogenys
- Yellowtail damsel Microspathodon chrysurus
- Yellowtail damsel Pomacentrus trichourus
- Yellowtail damselfish Microspathodon chrysurus
- Yellowtail dascyllus Dascyllus flavicaudus
- Yellowtail demoiselle Neoglyphidodon polyacanthus
- Yellowtail dottyback Pseudochromis linda
- Yellowtail emperor Lethrinus crocineus
- Yellowtail fangblenny mimic Plagiotremus laudandus
- Yellowtail flounder Limanda ferruginea
- Yellowtail fusilier Caesio cuning
- Yellowtail fusilier Caesio teres
- Yellowtail fusilier Paracaesio xanthura
- Yellowtail goldie Pseudanthias evansi
- Yellowtail hamlet Hypoplectrus chlorurus
- Yellowtail horse mackerel Trachurus novaezelandiae
- Yellowtail kingfish Caranx heberi
- Yellowtail kingfish Seriola lalandi
- Yellowtail mullet Liza vaigiensis
- Yellowtail mullet Sicamugil cascasia
- Yellowtail parrot Sparisoma rubripinne
- Yellowtail parrotfish Sparisoma rubripinne
- Yellowtail poison-fang blenny Meiacanthus atrodorsalis
- Yellowtail rasbora Rasbora dusonensis
- Yellowtail rasbora Rasbora tornieri
- Yellowtail reefcod Epinephelus flavocaeruleus
- Yellowtail reeffish Chromis enchrysura
- Yellowtail rockcod Epinephelus flavocaeruleus
- Yellowtail rockfish Sebastes flavidus
- Yellowtail sailfin tang Zebrasoma xanthurum
- Yellowtail sardinella Sardinella rouxi
- Yellowtail scad Atule mate
- Yellowtail scad Trachurus novaezelandiae
- Yellowtail sergeant Abudefduf notatus
- Yellowtail snapper Ocyurus chrysurus
- Yellowtail surgeonfish Prionurus punctatus
- Yellowtail surgeonfish Zebrasoma xanthurum
- Yellowtail tamarin Anampses meleagrides
- Yellowtail tang Zebrasoma xanthurum
- Yellowtail tetra Alestopetersius caudalis
- Yellowtail trumpeter Amniataba caudavittata
- Yellowtail tubelip Diproctacanthus xanthurus
- Yellowtail wrasse Anampses meleagrides
