The 1973 Dutch Open was a combined men's and women's tennis tournament staged in Hilversum, Netherlands.

The men's event was part of the Grand Prix circuit and categorized in Group C. The tournament was played on outdoor clay courts and was held from 16 July to 23 July 1973.

It was the 16th edition of the tournament.

Tom Okker and Betty Stöve won the singles titles.

[3][4] Tom Okker defeated Andrés Gimeno 2–6, 6–4, 6–4, 6–7, 6–3 Betty Stöve defeated Helga Masthoff 7–5, 6–2 Iván Molina / Allan Stone defeated Andrés Gimeno / Antonio Muñoz 4–6, 7–6, 6–4 Betty Stöve / Helga Masthoff defeated Trudy Walhof / Brigitte Cuypers 6–2, 7–6 Tine Zwaan / Geoff Masters defeated Betty Stöve / Robert Maud 6–1, 6–4