1999 may refer to:

• the year 1999
• 1999 (film), a 2009 Canadian crime drama film
• NGC 1999, a dust filled bright nebula
• Space: 1999, a 1975 1977 British television series
• 1999: Hore, Mita koto ka! Seikimatsu, a Famicom game released only in Japan

In music

• One of several musical recordings by Prince:
  • 1999 (album), 1982
  • "1999" (song), the title song of the above album
  • 1999: The New Master, a 1999 EP containing remixes of the above song
• "1998" (instrumental), a track by Binary Finary also known by its remix/reissue name "1999"
• 1999 (Cassius album), 1999

az:1999 (d qiql dirm ) de:1999 (Begriffskl rung) es:1999 (desambiguaci n) it:1999 (disambigua) ht:1999 (menm non) lv:1999 (noz mju atdal ana) nl:1999 (doorverwijspagina) pt:1999 (desambigua o) sv:1999 (olika betydelser)