2018 Bangkok Challenger II – Doubles

Sanchai and Sonchat Ratiwatana were the defending champions but lost in the quarterfinals to Hsieh Cheng-peng and Yang Tsung-hua.

James Cerretani and Joe Salisbury won the title after defeating Enrique López Pérez and Pedro Martínez 6–7(5–7), 6–3, [10–8] in the final.

Seeds
• # 🇹🇭 Sanchai Ratiwatana / 🇹🇭 Sonchat Ratiwatana (quarterfinals)

• # 🇺🇸 James Cerretani / 🇬🇧 Joe Salisbury (champions)

• # 🇮🇳 Jeevan Nedunchezhiyan / Christopher Rungkat (quarterfinals)

• # 🇯🇵 Toshihide Matsui / Yi Chu-huan (first round)