Nagavalli
Nagavalli is the Sanskrit name for the betel (piper betle) plant.

It may also refer to the following in Indian media:

 Nagavalli (film), a 2010 Telugu horror and drama, a remake of the 2005 Kannada film Aptharakshaka
 Nagavalli, a character in Manichitrathazhu, a 1993 Malayalam psychological thriller film
 Nagavalli, a character in Apthamitra, a 2004 Kannada film and remake of Manichitrathazhu
 Nagavalli, a character in Aptharakshaka, a 2005 Kannada film and sequel to Apthamitra
 "Nagavalli", a single by the Indian metal band The Down Troddence
 Venu Nagavally (1949–2010), alternately spelled as Venu Nagavalli, Indian actor, screenwriter and director

See also
 Nagavali Express, an Indian railway train
 Nagavali River, India