| Sir Sydney Giffard | |
| Office: | British Ambassador to Japan |
| Term Start: | 1984 |
| Term End: | 1986 |
| Primeminister: | Margaret Thatcher |
| Predecessor: | Sir Hugh Cortazzi |
| Successor: | Sir John Whitehead |
| Office1: | British Ambassador to Switzerland |
| Term Start1: | 1980 |
| Term End1: | 1982 |
| Predecessor1: | Sir Alan Rothnie |
| Successor1: | John Ernest Powell-Jones |
| Monarch1: | Elizabeth II |
| Primeminister1: | Margaret Thatcher |
| Birth Date: | 30 October 1926 |
| Education: | Repton School |
| Alma Mater: | Wadham College, Oxford |
| Nationality: | British |
Sir Charles Sydney Rycroft Giffard KCMG (30 October 1926 – 21 February 2020) was a British diplomat and author.[1] He was educated at Repton School and read classics at Wadham College, Oxford University.[2] His career in the foreign service began in 1961. He became the British Ambassador to Switzerland from 1980. He returned to London as Deputy Under Secretary of State of the Foreign and Commonwealth Office from 1982 to 1984. From 1984 to 1986, he was Ambassador from the United Kingdom to Japan. In 1983 he received the Order of St Michael and St George and in 2003, the Order of the Rising Sun. In a statistical overview derived from writings by and about Giffard, OCLC/WorldCat encompasses roughly 8 works in 15 publications in 1 language and 1,120 library holdings.[3]