Mayra de Fatima Gmach (born (1996-05-09)9 May 1996) is a Brazilian group rhythmic gymnast.

She represents her nation at international competitions.

She competed at world championships, including at the 2014 World Rhythmic Gymnastics Championships.

All three sisters have represented Brazil internationally, winning medals at the South American Rhythmic Gymnastics Championships.

This biographical article related to Brazilian rhythmic gymnastics is a stub.