Liga IV Alba is the county football division of Liga IV for clubs based in Alba County, România.
The competition is ranked as the fourth tier of the Romanian football league system and it is competed between 15 teams, the winner may or may not be promoted to Liga III, depending on the result of a promotion play-off that is disputed against a winner of the neighboring counties series.
Following the administrative and territorial organization of the Romanian People's Republic, the football teams from today's Alba County played between 1950 and 1968 in the Hunedoara and Cluj Regional Championships.
The structure and organisation of Liga IV Alba along with other county football leagues have undergone frequent changes right up to the present day.
The champions of each county association play one another in a play-off to promote to the Liga III.