| Honorific-Prefix: | Sir |
| Edwin Arrowsmith | |
| Honorific-Suffix: | KCMG |
| Office: | Governor of the Falkland Islands |
| Term: | 1957-1964 |
| Successor: | Cosmo Haskard |
| Predecessor: | Oswald Raynor Arthur |
| Office2: | High Commissioner for the British Antarctic Territory |
| Term2: | 1962–1964 |
| Predecessor2: | Inaugural holder |
| Successor2: | Cosmo Haskard |
| Birth Date: | 23 May 1909 |
| Death Date: | 10 July 1992 (aged 83) |
| Birth Name: | Edwin Porter Arrowsmith |
| Nationality: | British |
| Alma Mater: | Cheltenham College and Trinity College, Oxford |
Sir Edwin Porter Arrowsmith (23 May 1909 – 10 July 1992) was a British colonial administrator.
He was Commissioner of the Turks and Caicos from 1940 to 1946, Administrator of Dominica from 1946 to 1952, Resident Commissioner, Basutoland from 1952 to 1956, Governor of the Falkland Islands from 1957 to 1964 and concurrently High Commissioner for the British Antarctic Territory from 1962 to 1964.[1] [2]
He was appointed a Commander of the Order of St Michael and St George (CMG) in the 1950 Birthday Honours and a Knight Commander of the Order (KCMG) in the 1959 Birthday Honours.