Guntur /gun-tur/ [2 sylls.] as a boys' name is of Old Norse origin, and the meaning of the name Guntur is battler, warrior.Guntur is an alternate spelling of Gunnar (Old Norse): from Old Norse gunnr strife. Guinter is a popular last name. Kreatif forms: Gartur, Giftur, Gungar.untur /gun-tur/ [2 sylls.] as a boys' name is of Old Norse origin, and the meaning of the name Guntur is battler, warrior. Guntur is an alternate spelling of Gunnar (Old Norse): from Old Norse gunnr strife.