| Luis Maira | |
| Birth Date: | 1940 8, df=y |
| Birth Place: | Santiago, Chile |
| Office: | Ambassador of Chile to Argentina |
| Term Start: | 16 July 2004 |
| Term End: | 10 March 2010 |
| Predecessor: | Juan Gabriel Valdés |
| Successor: | Miguel Otero |
| Office1: | Ambassador of Chile to Mexico |
| Term Start1: | 1997 |
| Term End1: | 2003 |
| Predecessor1: | Carlos Portales Cifuentes |
| Successor1: | Fernando Molina Vallejo |
| Office2: | Minister of Planning |
| Term Start2: | 11 March 1994 |
| Term End2: | 28 September 1996 |
| Predecessor2: | Sergio Molina Silva |
| Successor2: | Roberto Pizarro Hofer |
| Office3: | Member of the Chamber of Deputies of Chile |
| Term Start3: | 15 May 1969 |
| Term End3: | 21 September 1973 |
| Predecessor3: | Arturo Barros Oteiza |
| Successor3: | Congress dissolved |
| Office4: | President of the University of Chile Student Federation |
| Term Start4: | 1963 |
| Term End4: | November 1964 |
| Predecessor4: | José Nagel |
| Successor4: | Pedro Felipe Ramírez |
| Occupation: | Politician |
| Profession: | Lawyer |
| Parents: | Luis Maira Orrego María Aguirre |
| Spouse: | Gabriela Peña Díaz (divorced) Marcela Serrano |
| Children: | Three |
Luis Osvaldo Maira Aguirre (born 9 August 1940) is a Chilean politician and lawyer who served as deputy –during the Popular Unity– and as minister of State[1] under Eduardo Frei Ruíz-Tagle's government. Similarly, he served as ambassador[2] in Mexico and Argentina.