Oliva reticulata, common name the blood olive, is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olive snails.
The length of the shell varies between 32 mm and 50 mm. The shell of the snail forms as a deep orange columella with a black pattern on the body whorl. The aperture of the shell is a brighter pale white.
This species occurs in the Indian Ocean off Madagascar and in the Pacific Ocean off New Caledonia.