The following is an overview of the events of 1945 in motorsport including the major racing events, motorsport venues that were opened and closed during a year, championships and non-championship events that were established and disestablished in a year, and births and deaths of racing drivers and other motorsport people.

Births DateMonthNameNationalityOccupationNoteRef1JanuaryJacky IckxBelgianRacing driver24 Hours of Le Mans winner (, -, -). World Endurance champion (1982-1983).2AprilGuy FréquelinFrenchRally driver1981 Rally Argentina winner.13Raffaele PintoItalianRally driver1974 Rally Portugal winner.19June"Flash Gordon" MineoAmericanDrag racerDallasnews.com (retrieved 3 October 2018)26JulyAntonio FassinaItalianRally driver1979 Rallye Sanremo winner.12SeptemberRussell "Jungle Jim" LibermanDrag racerStreet Muscle Mag bio16SeptemberPentti AirikkalaFinnishRally driver1989 Lombard RAC Rally winner.16Kyösti HämäläinenFinnishRally driver1977 Rally Finland winner.

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