Lieselot Decroix (born 12 May 1987 in Poperinge) is a Belgian professional road cyclist. She represented her nation Belgium at the 2008 Summer Olympics, and has currently competed under an annual contract for CyclelivePlus-Zannata Women's Team.Decroix qualified for the Belgian squad, as a lone female cyclist, in the women's road race at the 2008 Summer Olympics in Beijing by finishing among the top 24 and receiving a berth from the UCI World Cup.