Mahathir Mohamad formed the sixth Mahathir cabinet after being invited by Tuanku Salahuddin Abdul Aziz Shah to begin a new government following the 29 November 1999 general election in Malaysia.

Prior to the election, Mahathir led (as Prime Minister) the fifth Mahathir cabinet, a coalition government that consisted of members of the component parties of Barisan Nasional.

It was the 14th cabinet of Malaysia formed since independence.

This is a list of the members of the sixth cabinet of the fourth Prime Minister of Malaysia, Mahathir Mohamad.

The federal cabinet consisted of the following ministers: