Malay - is the official language of Malaysia and is the mother tongue of the majority Malay ethnic group. It is a standardized form of the Malay language. The oldest inscriptions in Malay, date from the end of the 7th century AD, were found on Bangka Island, off the southeastern coast of Sumatra (the Kedukan Bukit Inscription) and in Palembang in southern Sumatra. "Malayu" was the name of an old kingdom located in Jambi province in eastern Sumatra.

English- Malaysian English, is derived from British English. English may take precedence over Malay in certain official contexts as provided for by the National Language Act. Many businesses in Malaysia conduct their transactions in English, and it is used in official correspondence.

Tamil - Tamil is used predominantly by Tamils, who form a majority of Malaysian Indians. It is especially used in Peninsular Malaysia where they still maintain close cultural ties with their homeland. However, many Indians in East Malaysia, especially the younger generation, do not speak much Tamil and speak either Malay or English as their first language.

Chinese - Chinese Malaysians mostly speak Chinese dialects from the southern provinces of China. The more common dialects in Peninsular Malaysia are Cantonese, Mandarin, Hokkien, Hakka, Hainanese, and Fuzhou. The dialect spoken depends on where the people originated. However, in Malaysia as a whole, the majority of ethnic Chinese speak Mandarin, due to it being the most widespread language of business.