Marcel Alejandro Ruiz Suárez (born 26 October 2000) is a Mexican professional footballer who plays as a midfielder for Liga MX club Toluca.

A product of the youth Querétaro team, Ruiz would make his senior debut in Liga MX on 21 July 2018 against Atlas, coming in at the 86th minute for Erbín Trejo, finishing the game in a 0–0 tie.

On 22 August 2018, he would score his first goal for the team, winning the game against Club Universidad Nacional 1–0, becoming the youngest scorer of the season at the age of 17.

[2] Ruiz was called up by Diego Ramírez to the under-20 team to participate in a training camp ahead of the 2018 CONCACAF U-20 Championship and matches against Brazil and Japan.

Ruiz was called up by Jaime Lozano to participate with the under-22 team at the 2019 Toulon Tournament,[3] where Mexico finished in third.