1985 Yugoslavian motorcycle Grand Prix

{{Infobox Grand Prix motorcycle race report

| Grand Prix = Yugoslavian

| flag = Yugoslavia

| Official_Name = Yu Grand Prix{{cite web|url=http://www.jumpingjack.nl/GP-races_1985_heden.htm|archiveurl=https://archive.today/20150725161036/http://www.jumpingjack.nl/GP-races_1985_heden.htm|url-status=dead|title=Grand Prix uitslagen en bijzonderheden 1985|date=25 July 2015|archivedate=25 July 2015|website=Jumpingjack.nl|accessdate=9 June 2018}}{{cite web|url=http://www.progcovers.com/motor/500cc1985.html|title=1985 500cc Class (FIM Grand Prix World Championship) Programmes - The Motor Racing Programme Covers Project|first=Malcolm|last=Mitchell|website=www.progcovers.com}}{{cite web|url=http://www.progcovers.com/motor/grobnik.html|title=Grobnik - The Motor Racing Programme Covers Project|first=Malcolm|last=Mitchell|website=Progcovers.com|accessdate=9 June 2018}}

| Location = Automotodrom Rijeka

| Image = Automotodrom Grobnik.png

| Course_mi = 2.590

| Course_km = 4.168

| Race_No = 6

| Season_No = 12

| Date = 16 June

| Year = 1985

| Pole_Rider_500 = Freddie Spencer

| Pole_Rider_500_Country = USA

| Pole_Time_500 = 1:31.440

| Fast_Rider_500 = Unknown

| Fast_Rider_500_Country =

| First_Rider_500 = Eddie Lawson

| First_Rider_500_Country = USA

| Second_Rider_500 = Freddie Spencer

| Second_Rider_500_Country = USA

| Third_Rider_500 = Wayne Gardner

| Third_Rider_500_Country = AUS

| Pole_Rider_250 = Unknown

| Pole_Rider_250_Country =

| Pole_Time_250 =

| Fast_Rider_250 = Unknown

| Fast_Rider_250_Country =

| First_Rider_250 = Freddie Spencer

| First_Rider_250_Country = USA

| Second_Rider_250 = Carlos Lavado

| Second_Rider_250_Country = VEN

| Third_Rider_250 = Loris Reggiani

| Third_Rider_250_Country = ITA

| Pole_Rider_125 = No 125cc was held

| Pole_Rider_125_Country =

| Pole_Time_125 =

| Fast_Rider_125 = No 125cc was held

| Fast_Rider_125_Country =

| First_Rider_125 = No 125cc was held

| First_Rider_125_Country =

| Second_Rider_125 = No 125cc was held

| Second_Rider_125_Country =

| Third_Rider_125 = No 125cc was held

| Third_Rider_125_Country =

| Pole_Rider_80 = Unknown

| Pole_Rider_80_Country =

| Pole_Time_80 =

| Fast_Rider_80 = Unknown

| Fast_Rider_80_Country =

| First_Rider_80 = Stefan Dörflinger

| First_Rider_80_Country = SUI

| Second_Rider_80 = Jorge Martínez

| Second_Rider_80_Country = ESP

| Third_Rider_80 = Manuel Herreros

| Third_Rider_80_Country = ESP

}}

The 1985 Yugoslavian motorcycle Grand Prix was the sixth round of the 1985 Grand Prix motorcycle racing season. It took place on the weekend of 14–16 June 1985 at the Automotodrom Rijeka.