Tanja von Lahnstein (née Wittkamp, formerly von Anstetten) is a fictional character from the German soap opera Verbotene Liebe (Forbidden Love), played by actress Miriam Lahnstein. She made her first appearance on-screen on 21 June 1995 and left after three years in May 1998. Lahnstein returned to the role in 2001, where she was seen from 24 April to 5 October. She came back another three years later and reappeared on 16 April 2004. Lahnstein left the show for a short time, while being on contract, from June 2005 to March 2006 and from March to December 2007 during the pregnancy of her two children. She left again in December 2009 and returned in April 2010. She played the character till the series cancelation in 2015. In 2020, Lahnstein was rumored to appear in the TVNOW revival , but wasn't confirmed till January 2021. She appeared in the ninth and tenth episode of the first season.