The 1964–65 Yugoslav Second League season was the 19th season of the Second Federal League (), the second level association football competition of SFR Yugoslavia, since its establishment in 1946. The league was contested in two regional groups (West Division and East Division), with 16 clubs each.
West Division
Teams A total of sixteen teams contested the league, including thirteen sides from the 1963–64 season and three sides promoted from the third tier leagues played in the 1963–64 season. The league was contested in a double round robin format, with each club playing every other club twice, for a total of 30 rounds. Two points were awarded for wins and one point for draws.
There were no teams relegated from the 1963–64 Yugoslav First League as the 14th placed Vardar was allowed to remain in the top level. The three clubs promoted to the second level were Kladivar, Rudar Kakanj and RNK Split.
Team Location Federal subject Positionin 1963–64Borac Banja LukaBanja Luka0033rdBorovoBorovo Naselje01313thBSK Slavonski BrodSlavonski Brod01111thČelikZenica0088thFamos HrasnicaHrasnica01414thIstraPula01212thKladivarCeljeLokomotiva ZagrebZagreb01010thMariborMaribor0022ndOlimpija LjubljanaLjubljana0044thSlavonija OsijekOsijek0055thRudar KakanjKakanjSlobodaTuzla0066thRNK SplitSplitŠibenikŠibenik0099thVarteksVaraždin0077th
League table
East Division
Teams A total of sixteen teams contested the league, including twelve sides from the 1963–64 season, one club relegated from the 1963–64 Yugoslav First League and three sides promoted from the third tier leagues played in the 1963–64 season. The league was contested in a double round robin format, with each club playing every other club twice, for a total of 30 rounds. Two points were awarded for wins and one point for draws.
Novi Sad were relegated from the 1963–64 Yugoslav First League after finishing in the 13th place of the league table. The three clubs promoted to the second level were Bregalnica Štip, Mladost and Voždovački.
Team Location Federal subject Positionin 1963–64BačkaBačka Palanka SAP Vojvodina0099thBorBor0022ndBorac ČačakČačak0088thBregalnica ŠtipŠtipBudućnostTitograd0077thMladostSmederevska PalankaNovi SadNovi Sad SAP VojvodinaPobedaPrilep0044thPrishtinaPristina SAP Kosovo01313thProleter ZrenjaninZrenjanin SAP Vojvodina01111thRadnički BelgradeBelgrade0033rdSpartak SuboticaSubotica SAP Vojvodina01212thSremSremska Mitrovica SAP Vojvodina01010thTrepčaKosovska Mitrovica SAP Kosovo0055thVoždovačkiBelgradeŽelezničar NišNiš0066th
League table
See also 1964–65 Yugoslav First League 1964–65 Yugoslav Cup