NK SAŠK Napredak is a football club from Sarajevo, Bosnia and Herzegovina.

[1] In 1919 it was renamed to Sarajevski amaterski športski klub (Sarajevo Amateur Sports Club) or SAŠK.

[1] Along with FK Slavija, it is the club from Bosnia with most participations in the Yugoslav First League in the period before the star of Second World War.

Its coaches in this period were Gal, Bevanda, Giljaković, Kražić, Ferigec, Koželuh and Ivan Kezić.

The club is part of HKD Napredak (Croatian Cultural Society 'Progress').