Yellow-fin may refer to one of the following species of fish:
Yellowfin bream, several fishes in the family Sparidae
Yellowfin croaker, a fish in the family Sciaenidae
Yellowfin cutthroat trout, a fish in the family Salmonidae
Yellowfin fairy-wrasse, a fish in the family Labridae
Yellowfin grouper, a fish in the family Serranidae
Yellowfin madtom, a fish in the family Ictaluridae
Yellow-fin perchlet, a fish in the family Ambassidae
Yellowfin pike, a fish in the family Dinolestidae
Yellowfin seabream, several fishes in the family Sparidae
Yellowfin surgeon, a fish in the family Acanthuridae
Yellowfin tuna, a fish in the family Scombridae
Yellowfin whiting, a fish in the family Sillaginidae
It may also refer to: Yellow Fin (film), a 1951 American action film