Maier scored her first international goal in a friendly match against Canada on 19 July 2013.
She scored in the 53rd minute, which resulted in a 1–0 win for Germany.

She has been selected for the squads of the 2015 FIFA Women's World Cup where Germany finished fourth, 2016 Summer Olympics, where Germany won the gold medal, the 2017 UEFA Women's Championship and the 2019 FIFA Women's World Cup.
Maier scored her first international goal in a friendly match against Canada on 19 July 2013. She scored in the 53rd minute, which resulted in a 1–0 win for Germany.
She has been selected for the squads of the 2015 FIFA Women's World Cup where Germany finished fourth, 2016 Summer Olympics, where Germany won the gold medal, the 2017 UEFA Women's Championship and the 2019 FIFA Women's World Cup.
Leonie Maier