Arifin Achmad (23 October 1924 – 11 January 1994) was an Indonesian military officer who served as the governor of Riau between 1966 and 1978.

During the Japanese occupation of the Dutch East Indies, he received military training before also being educated as a civil servant.

[3] His tenure saw the movement of the governor's office, the establishment of the University of Riau, and the construction of two bridges in Kampar and Siak.

[1] He remained active in Riau's politics after his tenure as governor, opposing the reelection of the government-backed incumbent Imam Munandar in 1985.

[5] Achmad was married to Martha Lena, and the couple has three daughters who as of 2020 had moved to Australia.