2018 Copa Colsanitas – Doubles

Beatriz Haddad Maia and Nadia Podoroska were the defending champions, but Haddad Maia could not participate this year due to a right wrist injury. Podoroska played alongside Mariana Duque Mariño, but lost in the final to Dalila Jakupović and Irina Khromacheva, 3–6, 4–6.

Seeds
• # 🇯🇵 Nao Hibino / 🇯🇵 Miyu Kato (first round)

• # Dalila Jakupović / 🇷🇺 Irina Khromacheva (champions)

• # 🇪🇸 Lara Arruabarrena / 🇺🇸 Alison Riske (semifinals)

• # 🇺🇸 Kaitlyn Christian / 🇺🇸 Sabrina Santamaria (first round)