Ares \a-res\ as a boy's name is of Greek origin. Greek mythology: Ares was the god of war, and one of the lovers of Aphrodite, goddess of beauty. He was known as Mars in Roman mythology.
For more information, see also the related name Aries.
Baby names that sound like Ares are Arese and Aris. Other similar baby names are Aren, Arek, Ames, Arel and Arles.