30

30 may refer to:


 * 30 (number), the natural number following 29 and preceding 31
 * one of the years 30 BC, AD 30, 1930, 2030

Science

 * Zinc, a transition metal in the periodic table
 * 30 Urania, an asteroid in the asteroid belt

Music

 * 30 (Harry Connick Jr. album), 2001
 * 30 (album), by Adele, 2021
 * 30, a 1997 album by Laurent Garnier
 * 30, a 2004 album by James Yorkston
 * 30, a 2006 album by Jerusalem, also called Tretti
 * 30, a 2014 compilation album by Modern Talking
 * 30, a 2016 album by Trio da Paz
 * "Thirty", a song by Karma to Burn from the album Wild, Wonderful Purgatory, 1999
 * "30", a 2021 song by Bo Burnham from the special Bo Burnham: Inside
 * "30", a 2021 song by Pop Smoke from the album Faith

Other uses

 * "-30-", traditionally used by journalists in North America to indicate the end of a story
 * -30- (film), 1959, also released as Deadline Midnight
 * 30 (Law & Order: Criminal Intent), an episode of the television series Law & Order: Criminal Intent
 * –30– (The Wire), the series finale of the HBO original series The Wire
 * 30 (tennis), a score indicating two points won
 * 30 caliber
 * Tatra 30, an automobile produced by Tatra
 * Renault 30, an executive hatchback produced by Renault