Santiago Pesquera Blanco (born April 21, 1973 in La Rioja) is a boccia player from Spain. He has a physical disability: He has cerebral palsy and is a BC3 type athlete. He had cerebral palsy when he was born. His job is working with computers. He started playing sport when he was 17 years old. He also plays wheelchair track and field.
He competed at the 1996 Summer Paralympics in boccia. He competed at the 2000 Summer Paralympics. He finished second in the BC3 two person event event. He competed at the 2004 Summer Paralympics. He finished second in the BC3 two person event event. He finished second in the BC3 one person event. He competed at the 2008 Summer Paralympics. He finished first in the BC3 one person event.