| Alda Lazo | |
| Office1: | Member of Congress |
| Term Start1: | 26 July 2006 |
| Term End1: | 26 July 2011 |
| Constituency1: | Lima |
| Birth Date: | 17 June 1949 |
| Birth Place: | Piura, Peru |
| Party: | National Restoration Party |
| Occupation: | Politician |
Alda Mirta Lazo Ríos de Hornung (born 17 June 1949) is a Peruvian politician and a former Congresswoman, elected in the 2006 elections, representing Lima for the 2006–2011 term. Lazo belongs to the National Restoration Party. Lazo lost her seat in the 2011 elections when she ran for re-election under the National Solidarity Alliance.