Nicola Geuer (German pronunciation: [ˈɡɔʏ̯ɐ]; born 2 March 1988) is an inactive German tennis player. Geuer has won four singles and ten doubles titles on the ITF Circuit. On 10 May 2010, she reached her best singles ranking of world No. 276. On 9 October 2017, she peaked at No. 91 in the doubles rankings. Since October 2014, Geuer has played only in doubles competition.