See main article: 2023 Open de Oeiras.
Sadio Doumbia and Fabien Reboul were the defending champions[1] but chose not to defend their title.
Victor Vlad Cornea and Franko Škugor won the title after defeating Marcelo Demoliner and Andrea Vavassori 7–6(7–2), 7–6(7–4) in the final.