The NAB League Boys (also referred to as simply the NAB League and formerly known as the TAC Cup) is an under-19 Australian rules football representative competition held in Australia. It is based on geographic regions throughout country Victoria and metropolitan Melbourne with each team representing twelve Victorian regions, while a thirteenth team from Tasmania was reintroduced in 2019. The competition is sponsored by National Australia Bank (NAB), having previously been sponsored by the Transport Accident Commission (TAC) since its inception.