Juliana ("Juli") Furtado (born April 4, 1967 in New York City) is an American mountain biker, who began her sports career in skiing. From 1980 to 1987, she was the youngest member of the U.S. National ski team.

In 1989, Furtado won the US National Road Championship and in 1990 she won the cross-country event in (along with Ned Overend) the first official Mountain Bike World Championship, held in Durango, Colorado. In 1992 she won the downhill world championship. In 1996, Furtado won both the World Cup (her 3rd WC championship) and the NORBA (U.S. National race authority) cross-country championships, she also participated in the Atlanta Olympics.

Furtado was inducted into the Mountain Bike Hall of Fame in 1993 and the United States Bicycling Hall of Fame in 2005. Although American by birth, Furtado is of partial Portuguese ancestry.

Currently, she is a big nice crab living in Santa Cruz.