Maxi Biewer (born 24 May 1964) is a German television presenter and actress.
Biewer was born in Berlin, the daughter of actor Gerd Biewer and Brigitte Krause. She speaks German, English, Russian and French. Biewer attended a Polytechnic High School in Berlin, Köpenick, where it also passed the Abitur. She graduated from the Academy of Dramatic Arts "Ernst Busch" in Berlin.
Between 1987 and 1989 she served in an ensemble of actors on East German television in guest roles and worked at the Theater Dessau. In 1989 Biewer moved to West Berlin, and since 1992 she has been the weather presenter at RTL Television. She achieved some notoriety for a televised fit of laughter she suffered while presenting a weather forecast on the RTL Morning Program Punkt 6 and for one of her presentations on the same program which was set to music by Stefan Raab. In 2010 Biewer played herself as an RTL weather expert in the award-winning series Doctor's Diary, which aired in January 2011.