Usman Ja'far (10 September 1951 – 15 May 2015) was an Indonesian politician and businessman who served as the Governor of West Kalimantan between 2003 and 2008, and as a member of the People's Representative Council from 2009 until his death in 2015.

When he enrolled at high school in Pontianak, he lived with his uncle Abdussjukur, an Indonesian National Party politician who at that time served as speaker of the provincial legislature.

His uncle was relocated to Jakarta after six months when he was elected to the People's Representative Council (DPR), the lower house of Indonesia's parliament, and Usman Ja'far followed him and continued his education there.

[5] He was eventually appointed to lead a number of companies owned by businessman Abdul Latief,[6] and also as the president director of Lativi.

Under suspicion of misusing Rp 22 billion in social aid funds, Usman Ja'far was questioned for 12 hours by police, before falling comatose after a bypass surgery several days after in March 2015.