Wild olive is a common name for several plants and may refer to:
Bontia daphnoides
Olea oleaster, a species related to the cultivated olive tree (family Oleaceae)
Several species in the genus Elaeagnus (family Elaeagnaceae), particularly:
Elaeagnus angustifolia
Elaeagnus latifolia
Halesia carolina (family Styracaceae)
Nyssa aquatica, an American swamp-growing tree (family Cornaceae)
Osmanthus americanus (family Elaeagnaceae)