Nagayo (Japanese:長与 or 長與) may refer to:
Places Nagayo, Nagasaki, a city in the Nagasaki Prefecture
People Chigusa Nagayo (長与千種, born 1964), a Japanese professional wrestler Nagayo Sensai (長與專齋, 1838–1902), a Japanese doctor and politician Mataro Nagayo (長與專齋, 1878–1941), a Japanese pathologist Rika Nagayo (長与梨加, born 1993), a Japanese actress Shokichi Nagayo (長與稱吉, 1866–1910), a Japanese doctor Shuntatsu Nagayo (長与俊達, 1790–1855), a Japanese doctor Yoshirō Nagayo (長與善郎, 1888–1961), a Japanese novelist and playwright
Other uses Nagayo River, a river in the Nagasaki Prefecture