福井炭鉱（吉福炭鉱）は長崎県佐世保市（旧・北松浦郡吉井町）にあった炭鉱。 麓雅臣により経営され昭和29年に採炭中止。 その後、鉱員による自立経営が行なわれるも休山。 昭和31年８月に福井炭鉱新五坑として再開。昭和34年2月、向江福与に経営が移り吉福炭鉱と改称。 昭和37年に閉鉱。 地図位置付近に炭鉱住宅跡（一部現役住居）が残るが、解体済みのものもある。 他にコンクリート遺構が残るらしいが不詳。
Fukui Coal Mine (Yoshikubo Coal Mine) was a coal mine located in Sasebo City (formerly Kitosamura gun, Yoshii Town) in Nagasaki Prefecture. It was operated by Masashi Fuka and was abandoned coal mining in 1952. Afterwards, independence management by miners is also closed. Resumed as the Fukui coal mine new pit in August 1941. In February 1954, management moved to Fujimoto Okue and renamed the Yoshikubo coal mine. Closed ore in 1967. A coal mine housing trace (partly active residence) remains near the map position, but some are already dismantled. It seems that other concrete remains will remain, but unknown.