1987 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_1987_heden.htm|archiveurl=https://archive.today/20150725160646/http://www.jumpingjack.nl/GP-races_1987_heden.htm|url-status=dead|title=Grand Prix uitslagen en bijzonderheden 1987|date=25 July 2015|archivedate=25 July 2015}}{{cite web|url=http://www.progcovers.com/motor/500cc1987.html|title=1987 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=www.progcovers.com}}

| Location = Automotodrom Rijeka

| Image = Automotodrom Grobnik.png

| Course_mi = 2.590

| Course_km = 4.168

| Race_No = 6

| Season_No = 15

| Date = 14 June

| Year = 1987

| Pole_Rider_500 = Wayne Gardner

| Pole_Rider_500_Country = AUS

| Pole_Time_500 = 1:30.700

| Fast_Rider_500 = Wayne Gardner

| Fast_Rider_500_Country = AUS

| Fast_Time_500 = 1:32.000

| First_Rider_500 = Wayne Gardner

| First_Rider_500_Country = AUS

| Second_Rider_500 = Randy Mamola

| Second_Rider_500_Country = USA

| Third_Rider_500 = Eddie Lawson

| Third_Rider_500_Country = USA

| Pole_Rider_250 = Carlos Lavado

| Pole_Rider_250_Country = VEN

| Pole_Time_250 = 1:33.150

| Fast_Rider_250 = Carlos Lavado

| Fast_Rider_250_Country = VEN

| Fast_Time_250 = 1:34.090

| First_Rider_250 = Carlos Lavado

| First_Rider_250_Country = VEN

| Second_Rider_250 = Loris Reggiani

| Second_Rider_250_Country = ITA

| Third_Rider_250 = Reinhold Roth

| Third_Rider_250_Country = BRD

| Pole_Rider_125 = No 125cc race was held

| Pole_Rider_125_Country =

| Pole_Rider_125_Bike =

| Fast_Rider_125 = No 125cc race was held

| Fast_Rider_125_Country =

| Fast_Rider_125_Bike =

| First_Rider_125 = No 125cc race was held

| First_Rider_125_Country =

| Second_Rider_125 =

| Second_Rider_125_Country =

| Third_Rider_125 =

| Third_Rider_125_Country =

| Pole_Rider_80 = Jorge Martínez

| Pole_Rider_80_Country = ESP

| Fast_Rider_80 = Gerhard Waibel

| Fast_Rider_80_Country = BRD

| First_Rider_80 = Jorge Martínez

| First_Rider_80_Country = ESP

| Second_Rider_80 = Stefan Dörflinger

| Second_Rider_80_Country = SUI

| Third_Rider_80 = Ian McConnachie

| Third_Rider_80_Country = GBR

}}

The 1987 Yugoslavian motorcycle Grand Prix was the sixth round of the 1987 Grand Prix motorcycle racing season. It took place on the weekend of 12–14 June 1987 at the Automotodrom Rijeka.