Nagaoka (jap. 長岡, 永岡 lit. "length, hill", "eternity, hill") may refer to:
Places Nagaoka, Niigata, Japan Nagaoka-kyō, the capital of Japan from 784 to 794 Nagaokakyō, Kyoto, Japan, a city at the location of Nagaoka-kyō Izunagaoka, Shizuoka, Japan, a former town in Izu Peninsula
People with the surname , Japanese bobsledder , Japanese footballer , Japanese physicist responsible for the 1904 "Saturnian" model of atomic structure , Japanese diplomat and jurist , Japanese baseball player , Japanese politician , Japanese ski jumper , Japanese women's basketball player , Japanese Masters athlete , Japanese volleyball player , Japanese religious leader , Japanese musician and singer , Japanese illustrator , Japanese speed skater , Japanese pair skater , Japanese shogi player , Japanese politician , Japanese judoka
Other uses Nagaoka (crater), a lunar crater named after Hantaro Nagaoka