Valentin "Vali" Preda (born May 24, 1985, in Brăila) is a Romanian swimmer, who specialized in breaststroke events. He represented his nation Romania at the 2008 Summer Olympics, and has also claimed multiple Romanian national records in the breaststroke (both 100 and 200 m), and medley relays (both 200 and 400 m). Preda is a former member of the swimming team for the Louisville Cardinals, and a graduate of exercise science at the University of Louisville in Louisville, Kentucky.