The 1972–73 County Championship was the 31st season of the Liga IV, the fourth tier of the Romanian football league system. The champions of each county association promoted to Divizia C without promotion play-off. The promotion play-off was not held this season, due to the expansion of Divizia C from next season, from twelve series with 14 teams to twelve series of 16 teams.
Source: [6] Rules for classification: 1) Points; 2) Goal difference; 3) Number of goals scored. (D) Disqualified; (Q) Qualified for the phase indicated Notes:
^Voința Șoșdea was excluded from the championship after 14 rounds and lost all remaining matches with 0–3.
^"Campionatul județean" [County championship]. Unirea. 5 June 1973. p. 3. Retrieved 29 September 2023 – via adt.arcanum.com.(in Romanian)
^"Buletinul campionatului județean" [The bulletin of the county championship] (PDF). Flacăra Roșie. p. 2. Archived(PDF) from the original on 19 April 2021. Retrieved 19 June 2022 – via digital.bibliotecaarad.ro.(in Romanian)
^"S-a încheiat campionatul județean de fotbal" [The county football championship has ended]. Clopotul. 1 July 1973. p. 3. Archived from the original on 29 September 2023. Retrieved 17 September 2023 – via adt.arcanum.com.(in Romanian)
^"I.O.R. aspiră la un loc în divizia C" [I.O.R. aspires to a place in the C division]. Informația Bucureștiului. 20 June 1972. p. 3. Archived from the original on 8 June 2023. Retrieved 20 June 2023 – via adt.arcanum.com.(in Romanian)
^ ab"Campionatul județean de fotbal" [County football championship]. Înainte. 20 June 1973. p. 2. Archived from the original on 27 September 2023. Retrieved 27 September 2023 – via adt.arcanum.com.(in Romanian)
^"AS Miercurea Ciuc, campioană județeană la fotbal" [AS Miercurea Ciuc, county football champion]. Informația Harghitei. 6 June 1973. p. 4. Archived from the original on 24 October 2022. Retrieved 23 October 2022 – via adt.arcanum.com.(in Romanian)
^ ab"Campionatul Judetean" [County Championship]. Drumul Socialismului. p. 15. Archived from the original on 19 April 2021. Retrieved 5 December 2020 – via bibliotecadeva.eu.(in Romanian)
^"Campionatul județean de fotbal" [County football championship]. Ceahlăul. 15 June 1973. p. 4. Archived from the original on 15 January 2023. Retrieved 15 January 2023 – via bibgtkneamt.ebibliophil.ro.(in Romanian)
^"S-a încheiat campionatul județean de fotbal" [The county football championship has ended]. Năzuința. 12 June 1973. p. 3. Retrieved 12 October 2023 – via adt.arcanum.com.(in Romanian)
^"Carpați Mârșa, noua campioană" [Carpați Mârșa, the new champion]. Tribuna Sibiului. 19 June 1973. p. 2. Archived from the original on 9 June 2023. Retrieved 24 June 2023 – via adt.arcanum.com.(in Romanian)
^"Unirea Sânnicolau Mare, campioană județeană" [Unirea Sânnicolau Mare, county champion]. Drapelul Roșu. 12 June 1973. p. 3. Archived from the original on 28 September 2023. Retrieved 28 September 2023 – via adt.arcanum.com.(in Romanian)