| Fernando Lazcano Echaurren | |
| Birth Date: | 1848 7, df=y |
| Birth Place: | Santiago, Chile |
| Death Place: | Santiago, Chile |
| Nationality: | Chilean |
| Office1: | President of the Senate of the Republic of Chile |
| Term Start1: | 8 September 1919 |
| Term End1: | 30 August 1920 |
| Predecessor1: | Ismael Tocornal |
| Successor1: | Ismael Tocornal |
| Term Start2: | 15 May 1903 |
| Term End2: | 2 October 1904 |
| Predecessor2: | Antonio Valdés Cuevas |
| Successor2: | Ramón Rozas Garfias |
| Term Start3: | 2 June 1897 |
| Term End3: | 30 August 1898 |
| Predecessor3: | Ramón Barros Luco |
| Successor3: | Agustín Edwards Ross |
| Party: | Close to Liberal Party (1842–1899) |
| Occupation: | Politician |
| Profession: | Lawyer |
| Parents: | Fernando Lazcano Mujica Dolores Echaurren Larraín |
| Spouse: | Emilia Errázuriz Echaurren |
| Children: | Seven |
| Relatives: | Prudencio Lazcano Echaurren (brother) Federico Errázuriz Echaurren (father-in-law) |
Fernando Lazcano Echaurren (born 23 July 1848–30 August 1920) was a Chilean politician and lawyer who served as President of the Senate of Chile.