| Men's doubles | |
|---|---|
| 2023 Iași Open | |
| Champions |  Nicolás Barrientos  Aisam-ul-Haq Qureshi |
| Runners-up |  Gabi Adrian Boitan Bogdan Pavel |
| Score | 6–3, 6–3 |
Geoffrey Blancaneaux and Renzo Olivo were the defending champions [1] but chose not to defend their title.
Nicolás Barrientos and Aisam-ul-Haq Qureshi won the title after defeating Gabi Adrian Boitan and Bogdan Pavel 6–3, 6–3 in the final.
Sriram Balaji / Jeevan Nedunchezhiyan (first round) Nicolás Barrientos / Aisam-ul-Haq Qureshi (champions)
Théo Arribagé / Luca Sanchez (first round)
Luca Margaroli / 
Michail Pervolarakis (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S Balaji J Nedunchezhiyan | 2 | 4 | ||||||||||||||||||||||||
 JP Paz Dan Alexandru Tomescu | 6 | 6 | JP Paz DA Tomescu | 2 | 77 | [7] | |||||||||||||||||||||
| WC | GA Boitan B Pavel | 6 | 6 | WC | GA Boitan B Pavel | 6 | 62 | [10] | |||||||||||||||||||
| C Crețu A Jecan | 4 | 3 | WC | GA Boitan B Pavel | w/o | ||||||||||||||||||||||
| 4 | L Margaroli M Pervolarakis | 6 | 60 | [7] |  DN Mădăraș  B Walkin | ||||||||||||||||||||||
 R Stepanov  Tennyson Whiting | 4 | 77 | [10] | R Stepanov T Whiting | 3 | 4 | |||||||||||||||||||||
| DN Mădăraș B Walkin | 6 | 4 | [10] | DN Mădăraș B Walkin | 6 | 6 | |||||||||||||||||||||
| Alt | T Lipovšek Puches Matías Zukas | 3 | 6 | [3] | WC | GA Boitan B Pavel | 3 | 3 | |||||||||||||||||||
 Andrey Chepelev D Golubev | 5 | 1 | 2 | N Barrientos A-u-H Qureshi | 6 | 6 | |||||||||||||||||||||
| WC |  P Cuevas Matei Cristian Onofrei | 7 | 6 | WC | P Cuevas MC Onofrei | 3 | 2 | ||||||||||||||||||||
M Copil  Z Kolář | 6 | 77 | M Copil Z Kolář | 6 | 6 | ||||||||||||||||||||||
| 3 | T Arribagé L Sanchez | 4 | 64 | M Copil Z Kolář | 65 | 5 | |||||||||||||||||||||
 R Bonadio Edoardo Lavagno | 6 | 6 | 2 | N Barrientos A-u-H Qureshi | 77 | 7 | |||||||||||||||||||||
| JP Ficovich Juan Bautista Otegui | 4 | 4 | R Bonadio E Lavagno | 3 | 4 | ||||||||||||||||||||||
| K Jacquet FC Jianu | 4 | 1 | 2 | N Barrientos A-u-H Qureshi | 6 | 6 | |||||||||||||||||||||
| 2 | N Barrientos A-u-H Qureshi | 6 | 6 | ||||||||||||||||||||||||
Jordan Kerr and Jim Thomas were the defending champions, but chose not to participate that year.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but decided not to participate together.
Eric Butorac and Jean-Julien Rojer were the defending champions but decided not to participate together.
Butorac plays alongside Bruno Soares, while Rojer partners up with Aisam-ul-Haq Qureshi.
Aisam-ul-Haq Qureshi and Jean-Julien Rojer won the title defeating Julian Knowle and David Marrero 7–5, 7–5 in the final.
Rohan Bopanna and Aisam-ul-Haq Qureshi were the defending champions but Bopanna decided not to participate.
Qureshi plays alongside Jean-Julien Rojer and won the title beating Treat Conrad Huey and Scott Lipsky in the final, 6–3, 6–4.
Rohan Bopanna and Aisam-ul-Haq Qureshi were the defending champions but decided not to participate together.
Bopanna played alongside Mahesh Bhupathi and successfully defended the title, defeating Qureshi and his partner Jean-Julien Rojer 7–6(8–6), 6–3 in the final.
Nicolas Mahut and Édouard Roger-Vasselin were the defending champions, but they lost in the semifinals to Aisam-ul-Haq Qureshi and Jean-Julien Rojer.
Rohan Bopanna and Colin Fleming won the title, defeating Qureshi and Rojer in the final, 6–4, 7–6(7–3).
Aisam-ul-Haq Qureshi and Jean-Julien Rojer were the defending champions, but lost in the first round to Kei Nishikori and Milos Raonic.
Santiago González and Scott Lipsky won the title, defeating Daniele Bracciali and Jonathan Erlich in the final, 6–2, 7–6(7–3).
Robert Lindstedt and Horia Tecău were the defending champions but Lindstedt decided not to participate.
Tecău plays alongside Max Mirnyi and won the title beating in the final Andre Begemann and Martin Emmrich, 6–3, 7–6(7–4).
Mahesh Bhupathi and Michaël Llodra were the defending champions, but Llodra chose not to participate. Bhupathi played alongside Denis Istomin, but they lost in the quarterfinals to Rohan Bopanna and Aisam-ul-Haq Qureshi.
Bopanna and Qureshi went on to win the title, defeating Daniel Nestor and Nenad Zimonjić in the final, 6–4, 6–3.
Aisam-ul-Haq Qureshi and Jean-Julien Rojer were the defending champions, but chose not to participate together. Qureshi played alongside Rohan Bopanna, but lost in the second round to Juan Sebastián Cabal and Robert Farah. Rojer teamed up with Horia Tecău, but lost in the first round to Julien Benneteau and Édouard Roger-Vasselin.
Bob and Mike Bryan won the title, defeating Juan Sebastián Cabal and Robert Farah in the final, 7–6(10–8), 6–4.
Kevin King and Juan Carlos Spir were the defending champions, but Spir did not participate. King partnered with Dean O'Brien and lost in the semifinals.
Chris Guccione and Lleyton Hewitt were the defending champions, but Hewitt chose to participate in the Davis Cup quarterfinals instead. Guccione played alongside Matthew Ebden, but lost in the first round to Johan Brunström and Marcelo Demoliner.
Jonathan Marray and Aisam-ul-Haq Qureshi won the title, defeating Nicholas Monroe and Mate Pavić in the final, 4–6, 6–3, [10–8].
Andre Begemann and Robin Haase were the defending champions, but Begemann chose not to participate this year. Haase played alongside Mikhail Youzhny, but lost in the first round to Oliver Marach and Aisam-ul-Haq Qureshi.
Aliaksandr Bury and Denis Istomin won the title, defeating Marach and Qureshi in the final, 3–6, 6–2, [10–5].
Jamie Murray and John Peers were the defending champions, but Murray chose to participate in the Davis Cup quarterfinals instead. Peers played alongside Henri Kontinen and successfully defended the title, defeating Daniel Nestor and Aisam-ul-Haq Qureshi in the final, 7–5, 6–3.
Mate Pavić and Michael Venus were the defending champions, but Pavić chose to compete in Sydney instead. Venus played alongside Robert Lindstedt, but lost in the first round to Nicholas Monroe and Artem Sitak.
Elias and Mikael Ymer were the defending champions, but lost in the first round to Marc López and Fernando Verdasco.
Jonathan Erlich and Aisam-ul-Haq Qureshi were the defending champions but chose not to participate together. Erlich played alongside James Cerretani, but lost in the first round to Guido Pella and João Sousa. Qureshi teamed up with Santiago González and lost in the semifinals to Ivan Dodig and Mate Pavić.
Marcelo Demoliner and Santiago González were the defending champions, but chose not to participate together. Demoliner played alongside Divij Sharan, but lost in the quarterfinals to Denys Molchanov and Igor Zelenay. González teamed up with Aisam-ul-Haq Qureshi, but lost in the first round to Ivan Dodig and Filip Polášek.
Ben McLachlan and Jan-Lennard Struff were the defending champions, but chose not to participate together. McLachlan teamed up with Luke Bambridge, but lost in the first round to Divij Sharan and Artem Sitak. Struff played alongside Lucas Pouille, but lost in the semifinals to Nikola Mektić and Franko Škugor.
Nicolás Barrientos and Aisam-ul-Haq Qureshi were the defending champions but only Qureshi chose to defend his title, partnering Dmitry Popko. They lost in the first round to Alexandru Jecan and Szymon Walków.