Nagashima was a series of Ikkō-ikki fortresses in Japan.
Nagashima may also refer to:
Places Nagashima, Kagoshima Nagashima Island, Kagoshima Nagashima, Mie Nagashima Spa Land, an amusement park Nagashima Station, a railway station Nagashima Dam Nagashima Dam Station
People with the surname , Japanese sport wrestler Hiroshi Nagashima (born 1966), Japanese boxer Kazushige Nagashima (born 1966), professional baseball player, son of Shigeo Nagashima , Japanese speed skater Shigeo Nagashima (1936–2025), Japanese baseball player and manager Yūichi Nagashima (born 1957), Japanese voice actor and actor Yuichiro Nagashima (born 1984), Japanese kick boxer and cosplayer Yūko Nagashima (born 1969), Japanese voice actress Yurie Nagashima (born 1973), photographer
See also Nagashima Ohno & Tsunematsu, a law firm