1972–73 Divizia B

The 1972–73 Divizia B was the 33rd season of the second tier of the Romanian football league system.

The format has been maintained to two series, each of them having 16 teams. At the end of the season the winners of the series promoted to Divizia A and none of the teams relegated to Divizia C due to expansion of the league starting with the 1973–74 season.

To Divizia B
Promoted from Divizia C
 * Delta Tulcea
 * Gloria Buzău
 * Metalul Turnu Severin
 * Metrom Brașov

Relegated from Divizia A
 * Politehnica Iași
 * Crișul Oradea

From Divizia B
Relegated to Divizia C
 * Poiana Câmpina
 * Gaz Metan Mediaș
 * Portul Constanța
 * Vulturii Textila Lugoj

Promoted to Divizia A
 * Sportul Studențesc
 * CSM Reșița

Renamed teams
Chimia Făgăraș was renamed as Nitramonia Făgăraș.

Crișul Oradea was renamed as FC Bihor Oradea.

Metalul Târgoviște was renamed as CS Târgoviște.

Politehnica Galați was renamed as CSU Galați.