Vidar \v(i)-dar\ as a boy's name is of Old Norse origin. Mythology: a son of Odin who was immensely strong, and did not speak.
Baby names that sound like Vidar are Vidor and Vitor. Other similar baby names are Vidal, Adar, Fidal, Hadar, Haidar, Kedar, Kadar, Qadar, Rider, Videl, Vitas and Vital.