Marcos Ignacio "Nacho" Ambriz Espinoza (born 7 February 1965) is a Mexican professional manager and former footballer.

Ambríz earned 64 caps and scored 6 goals for the Mexico national team between 1992 and 1995,[1] and captained the squad at the 1994 FIFA World Cup, where he played in all four games.

Following his retirement from the playing field, Ambríz began his coaching career in 2002 with the Mexico national team, where he was the assistant to Javier Aguirre, taking part in the 2002 FIFA World Cup.

[7] The following year, Ambríz led América to the CONCACAF Champions League finals, defeating Tigres UANL 4–1 on aggregate, thus earning their qualification to the 2016 FIFA Club World Cup.

[17] After a first-place finish in the Guardianes 2020 general table, on 13 December, León won the league title defeating Club Universidad Nacional with an aggregate score of 3–1, becoming Mexico's joint fourth most successful team with eight titles in total alongside Cruz Azul.

[24] On 11 November 2024, Ambríz stepped down from his position after Santos Laguna finished the Apertura 2024 tournament at the bottom of the table.