Mohamed bin Yaacob (3 January 1926 – 8 September 2009)^[1][2] was a Malaysian politician who served as the Menteri Besar (Chief Minister) of Kelantan from 1978 to 1990.

Prior to his appointment as Menteri Besar, he worked as a lawyer of the High Court of Malaya and was posted in Johor, Terengganu and Perak states. Later, he won the 1969 elections for the seat of Tanah Merah, which marked his foray into politics by firstly serving as Deputy Minister of Home Affairs from 1970 to 1972, followed by his appointment as Deputy Minister of Finance for six months from January to July 1973.

A cabinet reshuffle followed soon after the death of Tun Dr. Ismail Abdul Rahman, in which he was promoted as a full cabinet minister by holding the portfolio of Minister of Education for a year from August 1973 until the 1974 elections, in which his victory led to his reappointment to another portfolio, whereby he was appointed Minister of Energy, Technology and Research from August 1974 to January 1976 and lastly before his resignation from federal politics in order to be his state's Menteri Besar, he was finally appointed Minister of Public Enterprises from January 1976, following the death of Prime Minister, Tun Abdul Razak Hussein until his victory in the 1978 Kelantan state election, which immediately followed his resignation from federal politics, in order to pave way for his appointment as the Menteri Besar of Kelantan.

•  Malaysia :
  • Commander of the Order of Loyalty to the Crown of Malaysia (PSM) – Tan Sri (1988)^[3]
•  Kelantan :
  • Knight Grand Commander of the Order of the Crown of Kelantan (SPMK) – Dato' (1976)
  • Dato' Bentara Kanan
•  Sarawak :
  • Knight Commander of the Order of the Star of Hornbill Sarawak (DA) – Datuk Amar (1982)^[4]
•  Sabah :
  • Commander of the Order of Kinabalu (PGDK) – Datuk (1984)
•  Terengganu :
  • Companion of the Order of the Crown of Terengganu (SMT) (1986)

• 1977 Kelantan Emergency