99 may refer to: 99 (number), the natural number following 98 and preceding 100 one of the years 99 BC, AD 99, 1999, 2099, etc.

Art, entertainment, and media Film, television and radio Agent 99 in the TV series Get Smart and various spinoffs 99 (1918 film), a Hungarian film 99 (2009 film), an Indian Hindi film 99 (2019 film), an Indian Kannada film The 99 (TV series), a 2011–2012 animated series WNNX (99X), classic "Rock 100.5" FM, in Atlanta, Georgia 99 (Brooklyn Nine-Nine), an episode of Brooklyn Nine-Nine 99, a character from Star Wars: The Clone Wars Clone Force 99, also called "The Bad Batch" and the eponymous animated series (named after the character in-universe)

Games '99: The Last War, a renamed version of the arcade game Repulse Ninety-nine (addition card game), a simple card game where players drop out if forced to bring the total above 99 Ninety-nine (trick-taking card game), a card game where players bid by discarding three cards 9-Nine, a Japanese visual novel 99, the video game series that features battle royale games such as Tetris 99, F-Zero 99, and Pac-Man 99.

Music 99 Records, a record label

Performers Ninety-nine (comedy duo), a Japanese comedic duo known for their show Mecha-Mecha Iketeru! ninetynine, an Australian indie band 9nine, a Japanese idol J-Pop group

Albums 99 (Epik High album), 2012 99 (No-Big-Silence album), 1997 Ninety Nine (album) by The Angels, 2024 #99, by Moka Only, 2016

Songs "99" (song), 1979, by Toto "99" (Fightstar song), 2007 "99" (Ruth Lorenzo song), 2015 "99", 2004, by The Haunted from the album rEVOLVEr "Ninety-Nine" (song), 1959 by Bill Anderson

Commercial brands 99, a line of schnapps fruit brandy produced by Barton Brands 99 (app), a brand of mobile transport software 99, a soft-serve ice cream cone served with a chocolate flake Ninety Nine (restaurant chain), a regional casual dining chain in the United States

Other uses .99, a common price ending in psychological pricing Ninety-Nines, an organization for female pilots founded by Amelia Earhart and others 99 Dike, a main-belt asteroid Saab 99, a compact executive car 99 Names of God in Islam 99 "Reinterpretations of The Drover's Wives" by Henry Lawson

See also 99% (disambiguation) 99ers, U.S. Citizens who have exhausted all their unemployment benefits 99ers, the 1999 U.S. Women's soccer team 99th (disambiguation) 99X (disambiguation) A99 (disambiguation) List of highways numbered 99 Atomic number 99: einsteinium