| Marta Larraechea Bolívar | |
| Office: | First Lady of Chile |
| Term Label: | In role |
| Term Start: | March 11, 1994 |
| Term End: | March 11, 2000 |
| President: | Eduardo Frei Ruiz-Tagle |
| Predecessor: | Leonor Oyarzún |
| Successor: | Luisa Durán |
| Party: | Christian Democratic Party |
| Birth Date: | 30 August 1944 |
| Birth Place: | Constitución, Chile |
| Awards: | Grand Cross of the Order of the Sun of Peru Order of Isabella the Catholic Dame Sash (Grand Cross) |
| Birth Name: | Marta de Larraechea y Bolívar |
Marta Larraechea Bolívar (born August 30, 1944 in Constitución, Talca Province) is a social orientator, politician and wife of Chilean President Eduardo Frei Ruiz-Tagle. She was a council member of the Santiago municipality (2000–2004) and First Lady of Chile (1994–2000). She is the daughter of Vasco de Larraechea Herrera and Victoria Bolívar Le Fort.
She studied as a child at "Inmaculada Concepción" school in Concepción, Secretaryship and Social Orientation at Instituto Carlos Casanueva. She and Eduardo Frei Ruiz-Tagle were married on November 30, 1967 and they have four children, Verónica, Cecilia, Magdalena and Catalina. She identifies as a Roman Catholic and close friend of Hillary Clinton and Carlos Menem.
Municipal Elections 2000 for Santiago mayoralty [1]
| bgcolor=#cccccc | Candidate | bgcolor=#cccccc | Party | bgcolor=#cccccc | Votes | bgcolor=#cccccc | % | bgcolor=#cccccc | Results |
| Joaquín Lavín Infante | UDI | 73.088 | 60,99 | Mayor | |||||
| Marta Larraechea Bolívar | PDC | 34.993 | 29,20 | Council | |||||
| Marisol Prado Villegas | ILB | 2.207 | 1,84 | ||||||
| Tomás Hirsch Goldschmidt | PH | 2.067 | 1,72 | ||||||