Ovalau (pronounced [oβa'lau]) Fiji ke tisra sab se barraa island hai aur Lomaiviti Group me hai. Ii island 17.70° South aur 178.8° East me hai, aur Suva se 60 kilometer north east, aur Viti Levu se 20 kilometer duur hai. Ii island 13 kilometer lamba aur 10 kilometer chaurra hai aur iske area 102.3 square kilometer hai. Iske population 9000 hai aur Levuka, jon ki Fiji ke pahila capital rahaa ii island me hai. Ovalau me jaada kar ke pahaarr hai aur khali Lovoni village ke lage samthar jamin hai. Ii island me sab se uucha pahaarr hai Mount Nadelaiovalau (625 meters) aur Mount Tomuna (526 meters).