Sofie Oyen (born 4 February 1992) is a Belgian former tennis player.
In her career, Leopoldsburg-born Oyen won three singles titles and three doubles titles on the ITF Women's Circuit. On 23 August 2010, she reached her best singles ranking of world No. 403. On 21 December 2015, she peaked at No. 526 in the WTA doubles rankings.
Oyen played for Belgium at the Fed Cup in 2009 and 2010, and has a winâÂÂloss record of 0âÂÂ2.