Silvia Koeswandi (born 25 August 1959) is an Indonesian fencer.
She competed in the women's individual foil event at the 1988 Summer Olympics, losing all four of her bouts.
In 1988, she was selected for the Summer Olympics and finished 43rd in the individual foil event, losing each of her four bouts.
As of 2018, she remained the most decorated female Indonesian fencer at the Asian Games, with a total of three medals.
This biographical article related to fencing in Indonesia is a stub.