Eefje Muskens (born 17 June 1989), is a Dutch former badminton player who specializes in doubles.

She won the 2014, 2015 and 2016 editions of Dutch National Badminton Championships with Piek.

In 2016, she and Piek competed at the Rio Summer Olympics and reached the quarter-finals round.

After her retirement due to a shoulder injury in 2017, she first became the National coach for the Dutch Para-Badminton team and also head-coach of the talents at the Regional Centre in Arnhem.

Currently Muskens is appointed as one of the doubles coaches of Badminton Nederland at Papendal.