Isabel Lohau (née Herttrich; born 17 March 1992) is a German badminton player, specializing in doubles play.

She started playing badminton at her hometown Hersbruck in 2001, and in 2010 she joined the Germany national badminton team.

[1] She along with national team won the 2011 European Junior Championships and 2012 European Women's Team Championships.

[2] In the individual event, Lohau also won the bronze medals at the 2010 World Junior Championships in the mixed doubles,[2] 2011 European Junior Championships in the mixed and girls' doubles,[3] and at the 2018 and 2021 European Championships in the mixed doubles.

[4][5] She represented her country competing at the 2020 Summer Olympics.