Desislava Aleksandrova-Mladenova () (born 27 October 1975) is a retired Bulgarian athlete who specialised in the high jump. She won a silver medal at the 1994 European Indoor Championships, setting a new European junior indoor record of 1.96 metres.
Her personal bests in the event are 1.93 metres outdoors (Rhodes 1997) and 1.96 metres indoors (Paris 1994).