The 1985 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 22 July until 28 July 1985. It was the 28th edition of the tournament. Ricki Osterthun won the singles title.
Finals
Singles
Ricki Osterthun defeated 
Kent Carlsson 4–6, 4–6, 6–4, 6–2, 6–3
- It was Osterthun's only singles title of his career.
Doubles
Hans Simonsson / Stefan Simonsson defeated 
Carl Limberger / Mark Woodforde 6–3, 6–4
References
- ^ "1985 Hilversum – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1985 Hilversum – Doubles draw". Association of Tennis Professionals (ATP).