nobody
The moon is named after the Roman Goddess of the moon, Luna.
The Moon
The moon Io.
earth
Monday was named after the moon in English. It comes from the Old English word "Monandæg," which means Moon's day. In many other languages, Monday is also named after the moon.
Monday was named "The Moon's Day" by the anglo-saxons, in honor of the moon goddess.
The question may mean "Was the moon Europa named by Galileo?" The answer to that is NO. Galileo discovered this moon, but it was named by another astronomer, called Simon Marius.
The Moon is actually named Luna.
Moon? But Pluto, the planet, was.
Neptune was named after Poseidon
Monday was named after the moon (monandaeg = moon's day in old english).
Europa is the sixth moon of the planet Jupiter