Sir Havilland Le Mesurier, KCIE, CSI (22 June 1866 – 7 April 1931) was a British administrator in India.
He entered the Indian Civil Service in 1884 or 1886, and was assistant commissioner in Assam.
In 1916, he was promoted to Commissioner of Orissa, and he was a member of the Executive Council from 1917 until 1922, when he retired.
He also acted as Governor of Bihar and Orissa Province for a period.
Le Mesurier was appointed CIE in 1903, CSI in 1910, and knighted KCIE on his retirement in 1922.