| David Hernández Vallín | |
| Office: | Member of the Chamber of Deputies for Aguascalientes′s 2nd district |
| Term Start: | 1 September 2009 |
| Term End: | 31 August 2012 |
| Predecessor: | Ernesto Ruiz Velasco |
| Successor: | María Teresa Jiménez Esquivel |
| Birth Date: | 1967 11, df=yes |
| Birth Place: | Aguascalientes, Aguascalientes, Mexico |
| Occupation: | Politician |
David Hernández Vallín (born 21 November 1967) is a Mexican politician from the Institutional Revolutionary Party. From 2009 to 2012 he served as Deputy of the LXI Legislature of the Mexican Congress representing Aguascalientes.[1] He previously served as a local deputy in the LX Legislature of the Congress of Aguascalientes.[1]