Jiannan may refer to:
Real people Lu You (1125–1210), a poet of the Southern Song Dynasty, also known as Lu Jiannan (陸劍南) because of his poetry 《劍南詩稿》 Zhang Jiannan (张坚男; born 1945), a composer Zhou Jiannan (1917−1995) was a Chinese politician Zhou Jiannan (musician), a Chinese musician, and zitherist
Fictional characters Yang Jiannan (杨建南) a character in Chinese film Shanghai Fortress.
See also Jiannan Road metro station, a station of the Taipei Metro