Silvia Vives Montlleó (born August 17, 1974 in Barcelona) is a swimmer from Spain. She has a disability and is an S8 type swimmer. She raced at the 1996 Summer Paralympics. She finished second in the 100 meter butterfly race and the 100 meter backstroke race. She finished third in the 4 x 100 meter 34 points medley relay and the 200 meter individual medley. 