Ellerslie is a suburb of the city of Auckland, in the North Island of New Zealand. Ellerslie lies seven kilometres to the southeast of the city centre, close to State Highway 1.

Ellerslie Racecourse is the main racecourse in Auckland, New Zealand, for thoroughbred racehorses. It is an undulating, grass circuit in the suburb of Ellerslie, with a circumference of just under 1,900 metres. Racing is conducted in a clockwise (right-handed) direction.