The Commonwealth Bank Trophy, also referred to as the National Netball League, was the top level national Australian netball league between 1997 and 2007. The league was organized by Netball Australia. Its main sponsor was the Commonwealth Bank. Melbourne Phoenix were the competition's most successful team, winning five premierships. Sydney Swifts were the second most successful team, winning four premierships. Between them, Phoenix and Swifts played in every grand final, except in 1999 when Adelaide Thunderbirds won the second of their two premierships. Ahead of the 2008 season, the Commonwealth Bank Trophy league effectively merged with New Zealand's National Bank Cup to form the ANZ Championship.

The founding members of the Commonwealth Bank Trophy league included Adelaide Ravens, Adelaide Thunderbirds, Melbourne Kestrels, Melbourne Phoenix, Perth Orioles, Sydney Sandpipers, Sydney Swifts and Queensland Firebirds. The majority of the teams were named after native Australian birds including ravens, kestrels, orioles and sandpipers. Adelaide Thunderbirds were initially going to be named Adelaide Falcons but the name was changed at the request of the rugby union team.^[1] In 2003 Ravens were replaced by AIS Canberra Darters^[2][3] and in 2004 Sandpipers were replaced by Hunter Jaegers.^[4][5][6][7]

In 2008, when the Commonwealth Bank Trophy league was replaced by the ANZ Championship, Thunderbirds and Firebirds became founders of the new league.^[8] Several other Commonwealth Bank Trophy teams were transformed to form ANZ Championship teams. Swifts and Jaegers merged to become New South Wales Swifts,^[9] Kestrels and Phoenix merged to become Melbourne Vixens^[10] and Orioles were rebranded as West Coast Fever.^[11][12] Meanwhile the Australian Institute of Sport and Canberra Darters ended their partnership and in 2008 entered two separate team in the Australian Netball League.^[13][14]

ABC were the Commonwealth Bank Trophy league's official broadcast partner.^[26][32]