Arantar is a fictional character in J. R. R. Tolkiens universe of Middle-earth.

He ascended the throne of Arnor in 339 T.A. on the death of his father Eldacar, he was the great-grandson of Isildur.

His reign was without any event and he died in 435 T.A. and was succeeded by his son Tarcil.

Preceded by:
Eldacar
Arnorian kings Followed by:
Tarcil