Mariel Hecher (born 19 October 1992) is a retired Brazilian footballer who played as a midfielder, winger or striker for Brisbane Roar.
Hecher started playing futsal at the age of six.
Hecher attended Southern Cross University in Australia.
Hecher played for Australian side Lions FC, helping the club win the league. She has captained Australian side Brisbane Roar.
In April 2025, Hecher announced her retirement from football.
Hecher mainly operates as a midfielder, winger, or striker and has been described as a "creative forward, has an impressive work rate covering more than 13kms a game... a perfect combination of technical ability and competitive spirit".
Hecher has a brother. She is a native of Caxias do Sul, Brazil.