Niner

Niner or Niners may refer to:


 * Niner, the pronunciation of the number nine in the NATO phonetic alphabet
 * 29er (disambiguation)
 * 49er (disambiguation)
 * Niner, a bicycle company that exclusively produces 29 inch wheel bikes
 * Niners, nickname for the San Francisco 49ers American football team
 * Niners, nickname for BV Chemnitz 99, a German basketball club
 * Niners (Star Trek), fictional baseball team in Star Trek: Deep Space Nine episode "Take Me Out to the Holosuite"
 * Niners, a name for fans of Star Trek: Deep Space Nine derived from the baseball team
 * Sendai 89ers, a Japanese basketball team