| Honorific-Prefix: | Sir |
| Robert Peter Fawcus | |
| Honorific-Suffix: | KBE CMG |
| Office: | Queen's Commissioner of Bechuanaland |
| Term Start: | 1 August 1964 |
| Term End: | 1965 |
| Predecessor: | none |
| Successor: | Hugh Norman-Walker |
| Office2: | Resident Commissioner of Bechuanaland |
| Term Start2: | 1960 |
| Term End2: | 1 August 1964 |
| Predecessor2: | John Redcliffe-Maud |
| Successor2: | himself, as Queen's Commissioner |
| Birth Date: | 30 September 1915 |
| Death Date: | 22 April 2003 (age 87) |
| Nationality: | British |
Sir Robert Peter Fawcus KBE CMG (30 September 1915 – 22 April 2003) was a British colonial administrator in Bechuanaland Protectorate.
Educated at Cambridge University, Fawcus was Government Secretary for Bechuanaland from 1954 to 1959, Resident Commissioner of Bechuanaland from 1959 to 1963 and Queen's Commissioner from 1963 to 1965. He prepared the way for Botswana's independence in 1966.[1]