Fāngjué Xūyī 方覺虛一 (lifedates unrecorded; active early 17th century), hào Xūyī 虛一 (“Empty-Unity”); late-Ming Cáodòng 曹洞宗 monk.
Known only through his single surviving work, the Zōngmén xuán jiàn tú 宗門玄鑑圖 (KR6q0147, X63 n1256), a short diagrammatic treatise on the Five Houses’ doctrinal-symbolic apparatus, with self-preface dated Wànlì 35 (1607) mid-winter. No independent biographical material; no DILA authority entry beyond the bare A001362 record.
Works in the Kanripo corpus: KR6q0147 only.
Per DILA A001362.