Robert Henry Dewing (6 August 1863 – 6 November 1934) was an English first-class cricketer and an army officer.
Dewing served initially in the Caribbean with the West India Regiment from 1884, before transferring to the British Indian Army around 1895, holding several commands until his retirement in 1912.
He came out of retirement to serve in the British Army during the First World War.
While in British India, he played first-class cricket for the Europeans cricket team.