This list of 1975 motorsport champions is a list of national or international

auto racing Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organise ...

series with a Championship decided by the points or positions earned by a driver from multiple races.

Open wheel racing

Sports car

Stock car

Touring car

Rallying

Motorcycle

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Giacomo Agostini Giacomo Agostini (; born 16 June 1942) is an Italian multi-time world champion Grand Prix motorcycle road racer. Nicknamed Ago, he amassed 122 Grand Prix wins and 15 World Championship titles. Of these, 68 wins and 8 titles came in the 500 ...

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1975 Grand Prix motorcycle racing season The 1975 Grand Prix motorcycle racing season was the 27th F.I.M. Road Racing World Championship season. Season summary 1975 represented a changing of the guard in Grand Prix motorcycle racing, both for riders as well as machines. Giacomo Agos ...

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Johnny Cecotto Johnny Alberto Cecotto Persello (born 25 January 1956), better known as Johnny Cecotto, is a Venezuelan former professional Grand Prix motorcycle racer and auto racer. He rose to prominence as a teenage prodigy in 1975 when he became the youn ...

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Walter Villa Walter Villa (born 13 August 1943 - 18 June 2002) was an Italian four-time Grand Prix motorcycle road racing world champion. He was known for his quiet, unassuming nature off the bike who became a ruthless competitor once the races began. Motorc ...

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Ángel Nieto Ángel Nieto Roldán (25 January 1947 – 3 August 2017) was a Spanish professional Grand Prix motorcycle racer. He was one of the most accomplished motorcycle racers in the history of the sport, winning 13 World Championships and 90 Grand Prix ...

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Speedway World Championship The World Championship of Speedway is an international competition between the highest-ranked motorcycle speedway riders of the world, run under the auspices of the Fédération Internationale de Motocyclisme (FIM). The first official championsh ...

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1975 Individual Speedway World Championship The 1975 Individual Speedway World Championship was the 30th edition of the official World Championship to determine the world champion rider. Ole Olsen won his second World title in front of 81,000 at Wembley Stadium in London with a 15 point m ...