The 1986 Dutch Open was a Grand Prix men's tennis tournament staged in Hilversum, Netherlands.

The tournament was played on outdoor clay courts and was held from 28 July until 3 August 1986.

It was the 29th edition of the tournament.

Seventh-seeded Thomas Muster, who entered on a wildcard, won the singles title.

[3] Thomas Muster defeated Jakob Hlasek 6–1, 6–3, 6–3 Miloslav Mečíř / Tomáš Šmíd defeated Tom Nijssen / Johan Vekemans 6–4, 6–2