The 2003 Priority Telecom Open was a men's tennis tournament played on outdoor clay courts in Amersfoort, Netherlands that was part of the International Series of the 2003 ATP Tour. It was the 46th edition of the tournament and was held from 14 July until 20 July 2003. Seventh-seeded Nicolás Massú won the singles title.
See main article: 2003 Priority Telecom Open – Singles. Nicolás Massú defeated Raemon Sluiter 6–4, 7–6(7–3), 6–2
See main article: 2003 Priority Telecom Open – Doubles. Devin Bowen / Ashley Fisher defeated Chris Haggard / André Sá 6–0, 6–4