Juan Pablo Varillas Patiño-Samudio (Spanish pronunciation: [ˈxwam ˈpaβlo βaˈɾiʝas];[a] born 6 October 1995) is a Peruvian professional tennis player.

Varillas made his ATP debut at the 2020 Chile Open as a lucky loser where he reached the second round by defeating Filip Horansky before losing to Albert Ramos Viñolas.

At the 2022 French Open he qualified to make his Grand Slam main draw debut but lost to ninth seed Félix Auger-Aliassime.

[3] He reached the quarterfinals at the 2022 Swiss Open Gstaad as a qualifier defeating top-20 player and third seed Roberto Bautista Agut before losing to Dominic Thiem.

At the Australian Open he entered for the first time into the main draw at this Major as a lucky loser but lost in the first round to former top-2 player and twelfth seed Alexander Zverev.

He recorded the biggest victory of his career by ranking defeating 13th seed Hubert Hurkacz also in five sets to reach the fourth round for the first time at a Major.