Bettina Petzold-Mähr (born 20 August 1982) is a former volleyball player and politician who has served in the Landtag of Liechtenstein since 2019.

Bettina Petzold-Mähr was born on 20 August 1982 in Vaduz, the daughter of Andrea (née Beck) and Anton Mähr, and raised in Planken.

[5] She and her partner Petra Walser participated in the 2009 Games of the Small States of Europe, where they almost won the bronze medal before losing both sets at the match to Luxembourg.

[6] The two later participated in the August 2009 European Volleyball Confederation Challenger and Satellite tournament in Vaduz, losing both of their matches.

[7] In the 2023 Liechtenstein local elections, she did not run for re-election to the council and instead ran for mayor of Planken, but lost to Patriotic Union incumbent Rainer Beck, receiving only 94 votes (41.8%).