| Olympic medal record
|Competitor for a 22px Mixed team|
|Silver||1900 Paris||Team competition|
|Competitor for 22x20px United Kingdom|
|Silver||1908 London||Team competition|
Walter Selby Buckmaster (October 16, 1872 – October 30, 1942) was a British polo player in the 1900 Summer Olympics and in the 1908 Summer Olympics.
In 1900 he was part of the BLO Polo Club Rugby polo team which won the silver medal.
Eight years later as a member of the Hurlingham Club he won the silver medal again.