O'Neill Park is located on the corner of Nobbs and Cooper Roads, Yagoona, New South Wales, Australia, within the Bankstown City Council. It is the homeground of the Yagoona Lions amateur football club.
The Park's facilities include play equipment, three soccer fields, a cricket pitch and public toilets. Later in 2011, the Bankstown City Council has decided to upgrade the playground with an extra 5 Units of gym equipment. Also, the bank will have a slide etc.