Báiyún Dàorén 白雲道人 (White Cloud Daoist) is the pseudonym of the unidentified author of the Qīng romance-chivalric novel Sài Huālíng 賽花鈴 (KR4k0214). No biographical information has been located. The sobriquet Báiyún Dàorén (White Cloud Daoist) is a common type of Daoist-flavored literary pseudonym used by Qīng literati to preserve anonymity, and cannot be linked to any known historical figure. The author may have been a lower-degree holder or a professional writer in the mid-to-late Qīng period.