Monsurat Olajumoke Sunmonu[1] (born 9 April 1959) is a Nigerian politician who served as a senator representing Oyo Central senatorial District between 2015 and 2019.

After completing her studies, she briefly worked at the National Westminster Bank (NatWest) before taking up employment with the Government of the United Kingdom.

While at the UKBA, Monsurat attended various managerial and executive courses and was one of the first Nigerians be given "higher security clearance" in the British Government.

Sunmonu climbed the ranks within the British Government, achieving a senior position, before departing in 2011 to contest for a seat in the Oyo State House of Assembly, she later because Speaker.

The House passed both Executive and Private Member Bills to provide legal framework for Government business and activities.

Although the amendments was passed in the required 2/3 of Nigeria's 36 State Assemblies, it did not receive the Presidential assent of President Goodluck Jonathan.

On 24 July 2018, Sunmonu decamped from the All Progressives Congress (APC) to the African Democratic Congress (ADC) On 15 November 2016, Sunmonu moved a Motion[9] during the Senate Plenary calling on the Federal Government to mandate public hospitals and medical institutions to treat accident and gunshot victims immediately and remove the bureaucracy of paperwork such as police reports and receipts of payment of medical expenses.

[17] Sunmonu is noted for her calls for Nigeria to reduce its carbon footprint and the need to turn to renewable sources of energy.

She argued against the culture of pushing all students to white collar academics, instead that adequate investment be made in technical colleges to open a new area of industry and help reduce unemployment.

On 4 August 2015, Sunmonu was a co-sponsor of a motion moved by Sen. Dino Melaye on the deplorable condition of a number of Nigerian roads, of which Oyo-Ogbomosho was specifically mentioned.

She is reported to have immediately called the managing director of the company contracted to execute works and within 1 month, the area of the expressway was repaired.