Date of Birth: 
Place of Birth: Porto, Porto District, Portugal
About Maria João Koehler
- Maria João Koehler (born 8 October 1992) is a retired Portuguese tennis player. Koehler has won three singles and four doubles titles on the ITF tour in her career.
- On 25 February 2013, she reached her best singles ranking of world number 102.
- On 18 June 2012, she peaked at world number 151 in the doubles rankings. Playing for Portugal at the Fed Cup, Koehler has a win–loss record of 11–16.
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