Yellowtail, yellow-tail, or Yellow Tail may refer to:
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Yellowtail (fish), any of several species of fish
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Yellow-tail, a Eurasian moth species
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Yellowtail moth, a South American moth species
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Yellow Tail (wine), an Australian wine producer
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Yellow Tail Records, a record label
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Yellowtail cribo, a snake species
People with the surname
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Robert Yellowtail (1889–1988), Crow Nation leader
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Susie Walking Bear Yellowtail (1903–1981), Crow nurse
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Thomas Yellowtail (1903–1993), Crow sun dance chief and medicine man
{{Disambiguation, surname