Hills United Football Club, also known as the Hills Brumbies, is a soccer club based in the Hills District, New South Wales, Australia. They currently play in the National Premier Leagues NSW competition, the top flight of New South Wales football.

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Hills United SC, which later became known as Hills United Brumbies FC, is a club that was formed in the mid-1990s through a partnership between Castle Hill United and Baulkham Hills Soccer Club, to create a pathway for elite and representative footballers in the Hills District. The club began playing out of Fred Caterson Reserve, before in the early 2000s moving to Oakville Oval for a few seasons, followed by a season at Blacktown Sports Park, before landing at their current home at Lilys Football Centre, shared with Blacktown City FC.^{[citation needed]}

• 2023 NSW League One Men's Premiers
• 2016 National Premier League 3 Men's Premiers

• Kyah Simon, later a Matildas player, began her career at the club.^[1]