{{Infobox Album | 
  Name        = Now That's What I Call Music!| type = Compilation | artist = Various artists | released = October 27 1998 | recorded = 1995-1998 | genre = Pop | length = 70:59 | label = Virgin Records |
  Reviews     = *Allmusic  link|
  Chronology = Series | prev_title =  !(1998) | next_title = Now That's What I Call Music! 2 (U.S. series)(1999) |}}Now That's What I Call Music''' (U.S. Series) is an original series of around 30 compilation albums released since 1998. The albums contain the hits or modern music of the latest time period. Most of the songs are singles from various artists. Most of the albums contain anywhere from 18-20 tracks.

Now! series in other countries

More recently, there have been numerous different versions of the brand in other parts of the world, including:
 Arabia (under the name Now That's What I Call Arabia)
 Argentina
 Asia region
 Australia
 Canada
 China
 Czech Republic
 Denmark
 Finland
 Egypt
 Greece
 Hungary
 Israel
 Italy
 Japan
 Mexico
 New Zealand
 Poland
 Portugal
 South Africa
 South America
 Spain
 Turkey
 United States

Although there is some overlap in content between current releases in different markets, there are also differences such as the inclusion of local hits, and (for example) the single-CD format of the U.S. releases, in contrast with the traditional double-album UK format.

 United States 
 Original series 
 Now That's What I Call Music! (released October 27, 1998)
 Now That's What I Call Music!, Vol. 2 (July 27, 1999)
 Now That's What I Call Music!, Vol. 3 (December 7, 1999)
 Now That's What I Call Music!, Vol. 4 (July 18, 2000)
 Now That's What I Call Music!, Vol. 5 (November 14, 2000)
 Now That's What I Call Music!, Vol. 6 (April 3, 2001)
 Now That's What I Call Music!, Vol. 7 (July 31, 2001)
 Now That's What I Call Music!, Vol. 8 (November 20, 2001)
 Now That's What I Call Music!, Vol. 9 (March 19, 2002)
 Now That's What I Call Music!, Vol. 10 (July 23, 2002)
 Now That's What I Call Music!, Vol. 11 (November 19, 2002)
 Now That's What I Call Music!, Vol. 12 (March 25, 2003)
 Now That's What I Call Music!, Vol. 13 (July 22, 2003)
 Now That's What I Call Music!, Vol. 14 (November 4, 2003)
 Now That's What I Call Music!, Vol. 15 (March 23, 2004)
 Now That's What I Call Music!, Vol. 16 (July 27, 2004)
 Now That's What I Call Music!, Vol. 17 (November 2, 2004)
 Now That's What I Call Music!, Vol. 18 (March 15, 2005)
 Now That's What I Call Music!, Vol. 19 (July 19, 2005)
 Now That's What I Call Music!, Vol. 20 (November 1, 2005)
 Now That's What I Call Music!, Vol. 21 (April 4, 2006)
 Now That's What I Call Music!, Vol. 22 (July 11, 2006)
 Now That's What I Call Music!, Vol. 23 (November 7, 2006)
 Now That's What I Call Music!, Vol. 24 (March 27, 2007)
 Now That's What I Call Music!, Vol. 25 (July 17, 2007)
 Now That's What I Call Music!, Vol. 26 (November 13, 2007)
 Now That's What I Call Music!, Vol. 27 (March 11, 2008)
 Now That's What I Call Music!, Vol. 28 (June 3, 2008)
 Now That's What I Call Music!, Vol. 29 (November 11, 2008)
 Now That's What I Call Music! 30 (March 24, 2009)
 Now That's What I Call Music! 31 (June 30, 2009)
 Now That's What I Call Music! 32 (November 3, 2009)
 Now That's What I Call Music! 33 (March 23, 2010)
 Now That's What I Call Music! 34 (June 15, 2010)
 Now That's What I Call Music! 35 (August 31, 2010)
 Now That's What I Call Music! 36 (November 9, 2010)
 Now That's What I Call Music! 37 (February 8, 2011)
 Now That's What I Call Music! 38 (May 3, 2011)
 Now That's What I Call Music! 39 (August 9, 2011)
 Now That's What I Call Music! 40 (November 8, 2011)
 Now That's What I Call Music! 41 (February 7, 2012)
 Now That's What I Call Music! 42 (May 1, 2012)
 Now That's What I Call Music! 43 (August 7, 2012)
 Now That's What I Call Music! 44 (November 6, 2012)
 Now That's What I Call Music! 45 (February 5, 2013)
 Now That's What I Call Music! 46 (May 7, 2013)
 Now That's What I Call Music! 47 (August 6, 2013)

 Christmas series Now That's What I Call Christmas! (released October 23, 2001)Now That's What I Call Christmas!: The Signature Collection (September 30, 2003)Now That's What I Call Christmas!, 3 (October 10, 2006)The Essential Now That's What I Call Christmas (September 23, 2008)Now That's What I Call Christmas! 4 (October 12, 2010)Now That's What I Call Today's Christmas (September 25, 2012)

 DVD series Now That's What I Call Music! DVD: The Best Videos of 2003 (November 4, 2003)Now That's What I Call Music! DVD 2 (November 2, 2004)

 Latino series Now Esto Es Musica! Latino (March 21, 2006)Now Esto Es Musica! Latino 2 (November 21, 2006)Now Esto Es Musica! Latino 3 (October 9, 2007)Now Esto Es Musica! Latino 4 (March 24, 2009)

 Special editions Now That's What I Call Music! #1's (January 24, 2006)Now That's What I Call Party Hits! (November 13, 2007)Now That's What I Call the 80s (March 11, 2008)Now That's What I Call Classic Rock (June 3, 2008)Now That's What I Call Country'' (August 26, 2008)

1998 albums
Compilation albums