"Querer Mejor" (transl. "Wanting Better") is a song by Colombian musician Juanes featuring Canadian singer Alessia Cara. It was released as a single by Universal Music Latino on 24 May 2019. The song was written by Juanes, Cara, Rafa Arcaute, Tainy, Mau y Ricky and Camilo. The song reached number one in Colombia, El Salvador, Nicaragua and Panama, as well as the top 10 in Costa Rica, Ecuador and Guatemala.

Juanes revealed the song name and release date on May 21, 2019. The song was Alessia Cara's first Spanish release.

NPR's Felix Contreras called the song "classic Juanes, a slow-burning ballad that celebrates commitment and enduring love". Writing for Forbes, Jeff Benjamin stated that it "boasts the rock sound that Juanes has carried throughout his career with a thumping dembow-inspired beat backing their harmonies reflecting on a how to be better lovers". Rolling Stone's Suzy Exposito stated that "Querer Mejor" is "guided by a fluid dembow rhythm, flutters of guitar and a Hammond organ", and that the two singers "make a stunning rapport" in it. The song received nominations for a Latin Grammy Award for Record of the Year and Song of the Year in 2019.

The music video for "Querer Mejor" preceded the song's digital release by one day, premiering on May 23, 2019.