Thài-siōng Ló-kun (太上老君, mā thang tha̍k choè Thài-siōng Nó͘-kun), ia̍h sī Tō-tek Thian-chun (道德天尊), sī Tō-kàu lāi-té ê chi̍t ê sîn-bêng. I ê goân-hêng sī Ló Chú.