Teutonic Meaning: The name Louise is a Teutonic baby name. In Teutonic the meaning of the name Louise is: Famous in war. American Meaning: The name Louise is an American baby name. In American the meaning of the name Louise is: Famous in war.German Meaning: The name Louise is a German baby name. In German the meaning of the name Louise is: Renowned warrior.French Meaning: The name Louise is a French baby name. In French the meaning of the name Louise is: Famous warrior. Renowned fighter.n American the meaning of the name Louise is: Famous in war. German Meaning: The name Louise is a German baby name. In German the meaning of the name Louise is: Renowned warrior.