1950 Yugoslav Second League

A total of eleven teams contested the league, including five sides from the 1948–49 season, one club relegated from the 1948–49 Yugoslav First League and five sides promoted from the third-tier leagues played in the 1948–49 season. The league was contested in a double round robin format, with each club playing every other club twice, for a total of 20 rounds. Two points were awarded for a win and one point for draws.

Sloga Novi Sad were relegated from the 1948–49 Yugoslav First League after finishing in the 9th place of the league table, while 10th placed Ponziana Trieste stopped competing in the Yugoslav League system. The five clubs promoted to the second level were 11 Oktomvri Kumanovo, Borac Zagreb, Kvarner, Napredak Kruševac and Željezničar Sarajevo.

Kruševac

Kumanovo

Ljubljana

Novi Sad

Osijek

Rijeka

Sarajevo

Skopje

Šabac

Zagreb

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Locations of teams' home cities in the 1950 Yugoslav Second League

Team	Location	Federal subject	Position in 1948–49
11 Oktomvri Kumanovo	Kumanovo	SR Macedonia	—
Borac Zagreb	Zagreb	SR Croatia	—
Kvarner	Rijeka	SR Croatia	—
Metalac Zagreb	Zagreb	SR Croatia	0044th
Napredak Kruševac	Kruševac	SR Serbia	—
Odred Ljubljana	Ljubljana	SR Slovenia	0066th
Podrinje Šabac	Šabac	SR Serbia	0055th
Proleter Osijek	Osijek	SR Croatia	0088th
Sloga Novi Sad	Novi Sad	SAP Vojvodina	—
Vardar	Skopje	SR Macedonia	0077th
Željezničar Sarajevo	Sarajevo	SR Bosnia and Herzegovina	—

• 1950 Yugoslav First League