1947 Lausanne Grand Prix

{{Infobox Grand Prix race report

|Type = GP

|Country = SUI

|Image = 1947-1949Lousanne.jpg

|Grand Prix = Lausanne Grand Prix

|GP_Suffix =

|Official name = Lausanne Grand Prix

|Location = Lausanne

|Date = 5 October

|Year = 1947

|Course = Temporary street circuit

|Course_length = {{convert|3.251|km|mi|abbr=on}}

|Distance_laps = 90

|Distance_length= {{convert|292.59|km|mi|abbr=on}}

|Weather =

|Pole_Driver = Alberto Ascari

|Pole_Country = ITA

|Pole_Team = Maserati

|Pole_Time = not available

|Fast_Driver = Alberto Ascari

|Fast_Team = Maserati

|Fast_Time = 1:465.

|Fast_Country = ITA

|First_Driver = Luigi Villoresi

|First_Country = ITA

|First_Team = Maserati

|Second_Driver = Jean-Pierre Wimille

|Second_Country = FRA

|Second_Team = Gordini

|Third_Driver = Emmanuel de Graffenried

|Third_Country = CH

|Third_Team = Maserati

}}

The 1947 Lausanne Grand Prix was a non-championship Formula One motor race held in Lausanne on 5 October 1947. The race was held over 90 laps and was won by Luigi Villoresi in a Maserati 4CL. Jean-Pierre Wimille in a Simca Gordini Type 15 was second and Emmanuel de Graffenried in another Maserati 4CL was third. Alberto Ascari started from pole position in his Maserati 4CL and set fastest lap but retired with brake failure.{{cite web|url=http://www.silhouet.com/motorsport/archive/f1/nc/1947/1947.html#leman|title=1947 Grands Prix|accessdate=2022-11-25}}{{cite web|url=https://www.motorsportmagazine.com/database/races/1947-lausanne-grand-prix/|title=1947 Lausanne Grand Prix|accessdate=2022-11-25}}