Rubén Martínez may refer to:
- Rubén Martínez Bulnes (born 1929), Salvadoran sculptor
- Rubén Martínez (writer) (born 1962), American writer
- Rubén Martínez Villena (1899–1934), Cuban writer
- Rubén Martínez (footballer, born 1964), Chilean footballer
- Rubén Martínez Dalmau (born 1970), Spanish politician
- Rubén Martínez (footballer, born 1984), Spanish footballer
- Rubén Martínez Granja (born 1989), Spanish footballer
- Rubén Martínez Puente, Cuban politician