Nagahama may refer to:
People Nagahama (surname)
Places Nagahama, Ehime, a former town in Kita District, Ehime, Japan; now part of Ōzu Nagahama, Shiga, a city in Shiga Prefecture, Japan Nagahama Castle, a hirashiro (castle on a plain) in Nagahama, Shiga Nagahama Station, a train station on the Hokuriku Main Line, Nagahama, Shiga Nagahama Hall, a concert hall, in Hideyo Noguchi Memorial Park, Yokohama, Japan
Other uses 6655 Nagahama, a main-belt asteroid Nagahama (moth), a moth genus of the family Crambidae