Lilián Heinz (born 26 June 1935) is an Argentine sprinter who competed in the 1952 Summer Olympics and won medals in two Pan American Games.

[2][1] A year later Heinz competed in the 1952 Summer Olympics in Helsinki, Finland.

[3] Just days later she took part in the 200 metres, again being eliminated at the heat stage after finishing fourth.

[4] Her final event in the Olympics was the 4 x 100 metres relay with teammates Lilian Buglia, Gladys Erbetta and Ana María Fontán.

[5] Heinz later competed in the 1955 Pan American Games in Mexico City, where she was part of the team that won the silver medal in the 4 x 100 metres relay.