The Manly Warringah Sea Eagles are an Australian professional rugby league club based in Sydney's Northern Beaches. They compete in Australia's premier rugby league competition, the National Rugby League (NRL). The club debuted in the 1947 New South Wales Rugby Football League season and currently host the majority of their home games from Brookvale Oval in Brookvale, while training at the New South Wales Academy of Sport in Narrabeen and their Centre of Excellence in Brookvale. The team colours are maroon and white, and are commonly known as Manly or the Sea Eagles.

The Northern Beaches is a region within Northern Sydney, in the state of New South Wales, Australia, near the Pacific coast. This area extends south to the entrance of Port Jackson, west to Middle Harbour and north to the entrance of Broken Bay. The area was formerly inhabited by the Garigal or Caregal people in a region known as Guringai country.