Ernesto José Gasco Gonzalo (born 24 July 1963)[1] is a Spanish Socialist Workers' Party (PSOE) politician.

He and his husband Iñigo Alonso were the first elected politicians in Spain to enter a same-sex civil partnership and later marriage.

[2] In October 2003, Gasco was one of the first two elected Spanish politicians to enter a same-sex civil partnership with another one, alongside Iñigo Alonso, a councillor for the same party in Lasarte-Oria.

[6] In April 2009, he announced his resignation to be Deputy Minister of Transport in the Basque Government under regional president Patxi López.

[7] In January 2020, Gasco resigned from San Sebastián city council to return to national politics, as High Commissioner against Child Poverty in the second government of Pedro Sánchez.