John Roberth Méndez Sánchez (born 24 June 1999) is a Guatemalan professional footballer who plays as an attacking midfielder for Liga Nacional club Achuapa, on loan from Municipal.
He debuted internationally on 3 March 2019 in a 3–1 friendly loss to El Salvador.
Méndez played with the Guatemala U22s in a match against Brazil at the World Youth Festival Toulon on 2 June 2019, in a 4-0 defeat.
On 4 June 2021, Méndez scored his first senior goal for Guatemala against St. Vincent and the Grenadines in a 2022 FIFA World Cup qualifying match which ended in a 10-0 victory.
This biographical article related to Guatemalan association football is a stub.