Tyôsyû-phoan (長州藩, ちょうしゅうはん, ISO 3602: Tyôsyû-han) sī Ji̍t-púnEdo bakuhu sî-tāi ê chi̍t-ê han, thóng-léng Nagato kok (長門国) kap Suô kok (周防国), han-chú sī Môri sī. Tyôsyû-han tī Bakumatu sî-kî chham Satuma-han (薩摩藩) sī Tôbaku ūn-tōng ê chú-le̍k.