This article lists important figures and events in Malaysian public affairs during the year 1975, together with births and deaths of notable Malaysians.
31 March – Communist terrorists staged a mortar attack on the Royal Malaysian Air Force base in Sempang Airport, Kuala Lumpur, damaging a Caribou light transport aircraft.
3 September – Communist terrorists threw four hand grenades at the Police Field Force (PFF) Brigade headquarters at Jalan Pekeliling, Kuala Lumpur, killing two and injuring 51 PFF personnel.
Malaysia was only formed on September 16, 1963. Prior to that date, Peninsular Malaysia was known as Malaya, Sarawak under Crown Colony of Sarawak and Kingdom of Sarawak and Sabah under North Borneo.