Juan Francisco Cornejo Palma (born 27 February 1990) is a Chilean footballer who currently plays for Coquimbo Unido in the Primera División de Chile as a left back.

On January 14, 2017 Cornejo made his Liga MX debut against Club Necaxa playing the last 3 minutes of the 1-0 win.

In December 2022, he signed with Coquimbo Unido for the 2023 season.

[1] Cornejo was part of a Chile under-25 squad in a training session led by Claudio Borghi in May 2011, alongside his teammates in Magallanes, Claudio Latorre, Carlos Cisternas and Felipe Reynero.

[2][3] He was named in the preliminary squad for the 2015 Copa America but was omitted from the final squad.