Hanna Orthmann (born 3 October 1998) is a German volleyball player who is currently signed with Igor Gorgonzola Novara in the Italian Serie A1.

Hanna Orthmann played youth volleyball at SC Union 08 Lüdinghausen.

In 2014 she came to the Volleyball training camp at USC Münster, where she first played in the youth team in the second Bundesliga Nord.

At the end of 2015, she had their first Bundesliga appearance on 17 January 2016 in the 0-3 defeat against NawaRo Straubing.

[2][3][4] At the 2016 FIVB World Grand Prix, Orthmann made her first appearance in the senior team.