Erina (/ɛrənə/) is a suburb located in the Central Coast region of New South Wales, Australia.

Erina is the largest commercial hub of the Central Coast and is home to the largest single level shopping centre in the Southern Hemisphere that is called Erina Fair.

Erina is located approximately halfway between Gosford and the Pacific Ocean at Terrigal.

The suburb is home to the Erina Eagles rugby league team, who play in the Central Coast Premiership.

The Chinese Baptist Evelyn Tong Memorial Church was completed in late 2017.