The ILCA World Championships may refer to any of the following sailing events:

ILCA Main Worlds Men's ILCA 6 World Championship Women's ILCA 6 World Championship Open ILCA 7 World Championship No Longer Held Male ILCA 7 World Championship ILCA Age Related Worlds Male Under 18 ILCA 4 World Championships Female Under 18 ILCA 4 World Championships Open Youth ILCA 6 World Championships No Longer Held Male Youth ILCA 6 World Championships Female Youth ILCA 6 World Championships Female Under 21 ILCA 6 World Championships Male Under 21 ILCA 7 World Championships Open Over 30,45,55,65,75 ILCA Masters World Championships Other Worlds Using ILCA IYRU Women's Sailing World Championships No Longer Held Youth Sailing World Championships