The women's slalom in the 2018 FIS Alpine Skiing World Cup involved 12 events, including three parallel races (one parallel slalom and two city events) and the season finale in Åre, Sweden.
Defending champion Mikaela Shiffrin from the United States won nine of the twelve races for the season (seven of the nine slaloms and two of the three parallel races); this was Shiffrin's fifth discipline championship in slalom.[1]