2021 Puerto Vallarta Open – Doubles

Matt Reid and John-Patrick Smith were the defending champions but chose not to defend their title.

Gijs Brouwer and Reese Stalder won the title after defeating Hans Hach Verdugo and Miguel Ángel Reyes-Varela 6–4, 6–4 in the final.

Seeds
• # 🇲🇽 Hans Hach Verdugo / 🇲🇽 Miguel Ángel Reyes-Varela (final)

• # 🇺🇸 Evan King / 🇺🇸 Hunter Reese (quarterfinals)

• # 🇺🇸 Christian Harrison / 🇺🇸 Dennis Novikov (quarterfinals)

• # 🇪🇸 Adrián Menéndez Maceiras / 🇪🇸 Roberto Ortega Olmedo (semifinals)