Ingrid Martin (イングリッド＝マーティン Inguriddo Mātin?) is a character introduced in Shinyaku Toaru Majutsu no Index. A commando of the United States of America, she is the field leader of the unit in Denmark for Operation Norse Wind during the manhunt for Othinus and Kamijou Touma. She is codenamed White Lion (ホワイトライオン Howaito Raion?) for the mission.