Kathinka von Deichmann (born 16 May 1994) is a professional tennis player from Liechtenstein. Von Deichmann has won 14 singles and four doubles titles on the ITF Circuit. On 8 October 2018, she reached her best singles ranking of world No. 153, and on 17 July 2017, she peaked at No. 343 in the WTA doubles rankings. Playing for Liechtenstein Fed Cup team, von Deichmann has a win–loss record of 23–14. She paired with Yvonne Meusburger for her WTA Tour debut at the 2014 Nürnberger Versicherungscup in doubles, losing in the first round.