The Vanity Pool is a lost 1918 American silent film drama directed by Ida May Park and starring Mary MacLaren, Anna Q. Nilsson, and Thomas Holding. The script was based on a short story by Nalbro Bartley that was originally published in Young's Magazine. The film was produced and distributed by Universal Film Manufacturing Company. The film centered around a female lobbyist who becomes involved in political intrigue when she begins lobbying for the election of her friend's husband.