White Lily Cookie (Korean: 세인트릴리 쿠키, seintu-lilli kuki, "Saint Lily Cookie") is one of the five Ancient Heroes in Cookie Run: Kingdom. She was the final Ancient Cookie to become playable, releasing in the Secrets of the Silver Kingdom update (v5.0) alongside Silverbell Cookie Silverbell Cookie. She is of the Bomber Bomber type and her position is prioritized to the Middle Middle.

She carries the Light of Freedom in her Soul Jam and plays a pivotal role in the events of Cookie Run: Kingdom. She is Pure Vanilla Cookie Pure Vanilla Cookie's treasured close friend and an honored figure of the Faerie Kingdom, seeking out secrets for the good of Cookiekind.