César Arturo Ramos Palazuelos (born 5 December 1983) is a Mexican professional football referee.

Ramos made his debut on 28 October 2006, in a Primera División A match between Zacatepec and Santos Laguna 1a.

[6][7] He refereed the 2017 FIFA Club World Cup Final between Real Madrid and Gremio.

[10][11] He refereed the 2022 FIFA World Cup semi-final match between France and Morocco on 14 December.

He refereed the 2024 Copa América match between Brazil and Costa Rica on 24 June 2024.