Wilhelmus "Willem" Tholen (28 May 1900 – 21 March 1984) was a Dutch male weightlifter, who competed in the Light-Heavyweight category and represented the Netherlands at the Olympic Games.
Tholen won the national competition in October 1926 in Haarlem, ahead of W. v/d Heide from The Hague.
[1] Later that month, also at the national competition in Haarlem, he lost of J. Verheien from The Hague.
[2][3] At the national weightlifting championships in June 1927, he won the silver medal, again behind J.
[4][5] Two months later, in August 1927, Tholen was officially selected by the national federation to represent the Netherlands at the 1928 Summer Olympics.