2023 Stockholm Open

The 2023 Stockholm Open (also known as the BNP Paribas Nordic Open for sponsorship reasons) was a professional men's tennis tournament played on indoor hard courts. It was the 54th edition of the tournament, and part of the ATP Tour 250 series of the 2023 ATP Tour. It took place at the Kungliga tennishallen in Stockholm, Sweden from 16 to 22 October 2023.

Singles

 * 🇫🇷 Gaël Monfils def. Pavel Kotov, 4–6, 7–6(8–6), 6–3

Doubles

 * 🇰🇿 Andrey Golubev / 🇺🇦 Denys Molchanov def. 🇮🇳 Yuki Bhambri / 🇬🇧 Julian Cash, 7–6(10–8), 6–2

Seeds

 * Rankings are as of 2 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇸🇪 Leo Borg
 * 🇸🇪 Karl Friberg
 * 🇸🇪 Elias Ymer

The following player received entry using a protected ranking:
 * 🇫🇷 Gaël Monfils

The following players received entry from the qualifying draw:
 * 🇱🇧 Benjamin Hassan
 * Pavel Kotov
 * 🇦🇹 Filip Misolic
 * Dino Prižmić

The following player received entry as a lucky loser:
 * 🇨🇿 Tomáš Macháč

Withdrawals

 * 🇪🇸 Alejandro Davidovich Fokina → replaced by 🇨🇿 Tomáš Macháč

Seeds

 * Rankings are as of 2 October 2023

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇸🇪 Filip Bergevi / 🇸🇪 Leo Borg
 * 🇸🇪 Karl Friberg / 🇸🇪 Jonathan Mridha

Withdrawals

 * 🇮🇹 Simone Bolelli / 🇮🇹 Andrea Vavassori → replaced by 🇮🇹 Lorenzo Sonego / 🇮🇹 Andrea Vavassori