| Cruz Martínez Esteruelas | |
| Office: | Minister of Education and Science of Spain |
| Primeminister: | Carlos Arias Navarro |
| Term Start: | 4 January 1974 |
| Term End: | 12 December 1975 |
| Predecessor: | Julio Rodríguez Martínez |
| Successor: | Carlos Robles Piquer |
| Office1: | Minister of Development Planning of Spain |
| Primeminister1: | Luis Carrero Blanco |
| Term Start1: | 12 June 1973 |
| Term End1: | 31 December 1973 |
| Predecessor1: | Office established |
| Successor1: | Joaquín Gutiérrez Cano |
| Party: | Nonpartisan (National Movement) |
| Birth Name: | Cruz Martínez Esteruelas |
| Birth Date: | 4 February 1932 |
| Birth Place: | Hospitalet de Llobregat, Second Spanish Republic |
| Death Place: | Madrid, Spain |
Cruz Martínez Esteruelas (4 February 1932 – 17 September 2000) was a Spanish politician who served as Minister of Education and Science of Spain between 1968 and 1973, during the Francoist dictatorship.[1] [2] [3]