Waterskivereniging De Harder (WSV De Harder) is a waterski and wakeboard club situated on the shores of the Veluwemeer near Biddinghuizen, Netherlands.

The association is dedicated to promoting and facilitating waterskiing and wakeboarding in all its forms, offering members a safe and active environment on and alongside the lake.

The club's waterside facilities include harbor boxes, boat ramp access, trailer storage, and mooring spots for speedboats. Small cabins and camper pitches are also available on the club grounds.

WSV De Harder regularly hosts competitive events, including the Benelux Cup waterski racing, drawing participants and spectators to the Veluwemeer waterfront.