Sydney John Philip Easterbrook (22 January 1905 – 30 January 1975) was an English professional golfer.
He won the Irish Open in 1934 and was a member of the Great Britain Ryder Cup team in 1931 and 1933.
In 1933, he won the deciding match for Great Britain by beating Denny Shute on the final hole.Syd had two brothers, Algy (1899-1960) and Cyril (1901–1975) who were also golfers.