Nelly (born 1974) is an American rapper, singer, actor and entrepreneur.
Nelly or Nellie may also refer to:
Places
- Nellie, Ohio, an American village
- Nellie, Assam, a town in Nagaon district
- Nelly Island, Antarctica
- Nelly Island, Bermuda
- Mount Nelly, Bolivia, a stratovolcano in the Andes
People
- Nelly (given name), a list of people with the given name or nickname Nelly or Nellie
- Nelly (Egyptian entertainer), Egyptian singer, actor, and radio and television personality and presenter
- Nellie or Don Nelson (born 1940), American former basketball coach and player
- Nelly's (1899–1998), Greek photographer (real name Elli Souyioultzoglou-Seraïdari)
- Harry Nelly, head coach of the Army college football program from 1908 to 1910
Boats
- SS Nelly, a Danish steamship in service between 1928 and 1936
- Nellie, a boat in Joseph Conrad's novella Heart of Darkness
Other uses
- Nelly (2004 film), a French film
- Nelly (2016 film), a Canadian film
- Nelly, a nickname for the Giant Petrel, a large seabird
- "Nelly" or "swish", a slang term for effeminate behaviour and interests in gay male communities
- "Nellie", a prototype of Cultivator No. 6, a massive tank that could dig itself into the ground