Nationalist Left – Youth (in Galician: Esquerda Nacionalista - Mocidade) was the youth wing of Nationalist Left (EN), one of the member parties of the Galician Nationalist Bloc (BNG).

It organized the young party members.

EN-Mocidade was founded in 1984, and worked within the youth wing of BNG, Galiza Nova.

EN-Mocidade published Manesquerda.

In 2008 the organization dissolved itself and formed the Galician Socialist Youth.