| Date: | 17 – 23 July |
| Surface: | Clay / outdoor |
| Location: | Amersfoort, Netherlands |
| Champs: | Maximilian Marterer |
| Champd: |  Manuel Guinard / Grégoire Jacq |
| Main Name: | Dutch Open (tennis) Dutch Open |
The 2023 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the fourth edition of the Challenger tournament which was part of the 2023 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 17 and 23 July 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Facundo Díaz Acosta | 115 | 1 | |
 Brazil | Felipe Meligeni Alves | 134 | 2 | |
 United Kingdom | Jan Choinski | 164 | 3 | |
| Jelle Sels | 167 | 4 | ||
| Maximilian Marterer | 170 | 5 | ||
| Jesper de Jong | 177 | 6 | ||
 Romania | Nicholas David Ionel | 192 | 7 | |
| France | Titouan Droguet | 205 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Tibo Colson Joris De Loore Mathys Erhard
Michael VrbenskýThe following players received entry as lucky losers:
Àlex Martí Pujolràs
Luca PotenzaSee main article: 2023 Dutch Open – Singles.
Titouan Droguet 6–4, 6–2.See main article: 2023 Dutch Open – Doubles.
Manuel Guinard / Grégoire Jacq def. Mats Hermans / Sander Jong 6–4, 6–4.