Nag's Head is a locality within the Holloway area of the London Borough of Islington.

The area is named after the Nag's Head public house.

The pub, also previously called the Mustang Diner and O'Neills, closed in 2004; the original early Victorian building is in use today as a gambling establishment.

Nag's Head Town Centre is a shopping arcade between Morrisons and Selby's, and it is governed by the Nag's Head Town Centre Management Group.

[2] The shopping and entertainment area includes the Nag's Head Market (behind Holloway Road on the northwest corner of Hertslet Road) and the Nag's Head Shopping Centre.