Fabiana Gisela Vallejos (born 30 July 1985) is an Argentine footballer who plays for Chilean club Universidad de Chile as a midfielder.^[1]

In 2024, Vallejos moved to Chile and joined Coquimbo Unido ^[es] in the top division.^[2] The next year, she switched to Universidad de Chile.^[3]

Vallejos became a member of the Argentine national team during a historic period for the team: She helped the team qualify for the 2003 FIFA Women's World Cup in the United States. It was the first time that Argentina reached the World Cup on the women's side.

She also participated at the 2003 Dominican Republic Pan American Games, the 2003 and the 2006 Sudamericano Femenino. She won the 2006 title with the Argentine team, defeating continental rivals Brazil for the first time ever.

Vallejos also played all three of Argentina's matches at the 2007 FIFA Women's World Cup in China.

Scores and results list Argentina's goal tally first

No.	Date	Venue	Opponent	Score	Result	Competition
1	18 November 2006	Estadio José María Minella, Mar del Plata, Argentina	Colombia	2–0	6–0	2006 South American Women's Football Championship
2				5–0
3	14 September 2014	Estadio Bellavista, Ambato, Ecuador	Bolivia	1–0		2014 Copa América Femenina
4				4–0