2006 Ordina Open – Men's singles

Men's singles
2006 Ordina Open
Champion Mario Ančić
Runner-up Jan Hernych
Score6–0, 5–7, 7–5
Draw32 (4 Q / 3 WC )
Seeds8

The 2006 Ordina Open men's singles title was won by Croatian player Mario Ančić. It was the 17th edition of the Ordina Open tennis tournament, played on outdoor grass courts in Rosmalen, 's-Hertogenbosch Netherlands. The tournament was held from 18 to 24 June 2006.

Mario Ančić was the defending champion and successfully defended his title.
Mario Ančić defeated Jan Hernych 6–0, 5–7, 7–5 to win the 2006 Ordina Open singles event.