Fishtail may refer to:
Biology The rearmost fish fin or caudal fin Fishtail palm (genus Caryota)
Transportation Fishtailing, a problem in car handling Fishtail Air, a helicopter airline based in Kathmandu, Nepal
Places Fishtail, Montana, a town Fishtail Point, southernmost point of Shults Peninsula in Antarctica Fishtail Lake, lake on Vancouver Island in British Columbia, Canada Fishtail Rock, a geologic feature on Hoi Sham Island, a former island near Hong Kong Fishtail Butte; see List of mountains in Stillwater County, Montana Fishtail Lagoon, a body of water in the Keyhaven, Pennington, Oxey and Normandy Marshes Machapuchare, "Fish's Tail", a mountain in Nepal
Tools Fishtail (tool), a wood carving tool and for gardening Fishtail gauge Fishtail projectile point a type of Palaeolithic stone projectile point
Clothing Fishtail parka, a type of anorak, such as the US Army's M-65 parka Fishtail train, a flared train (the long back portion of various clothing that trails behind the wearer) Fishtail wrap, a style of folding or draping a sari
Culture Fishtail (Quickstep), a Quickstep dance figure A form of the scrollwork, graphic design
See also Fish tale (disambiguation) Lobster Trap and Fish Tail, mobile by American artist Alexander Calder Fish Tail Blues, a blues song attributed to American musician Jelly Roll Morton