These are the number-one songs of 2005 in the Australian ARIA singles chart.
Chart history +KeyThe yellow background indicates the #1 song on ARIA's End of Year Singles Chart of 2005. +Songs reaching No. 1, with artists, listed by chart weekWeek beginningSongArtist2 January "The Prayer" Anthony Callea 9 January 16 January 23 January "Nasty Girl" Nitty 30 January6 February "Over and Over" Nelly featuring Tim McGraw 13 February 20 February 27 February 6 March 13 March "Almost Here" Brian McFadden and Delta Goodrem 20 March "Rain"/"Bridge over Troubled Water" Anthony Callea 27 March 3 April "Beautiful Soul" Jesse McCartney 10 April 17 April 24 April 1 May "Signs" Snoop Dogg featuring Justin Timberlake and Charlie Wilson 8 May 15 May "Switch" Will Smith 22 May "Don't Phunk with My Heart" The Black Eyed Peas 29 May "Hollaback Girl" Gwen Stefani5 June "Don't Phunk with My Heart" Black Eyed Peas 12 June 19 June "Incomplete" Backstreet Boys 26 June "We Belong Together" Mariah Carey 3 July 10 July "Lonely" Akon 17 July 24 July "Axel F" Crazy Frog 31 July 7 August 14 August "Lonely" Akon 21 August "Ghetto Gospel" 2Pac featuring Elton John 28 August "Don't Cha" The Pussycat Dolls featuring Busta Rhymes 4 September 11 September 18 September 25 September 2 October "Shine" Shannon Noll 9 October "Don't Cha" Pussycat Dolls featuring Busta Rhymes 16 October 23 October "Gold Digger" Kanye West featuring Jamie Foxx 30 October 6 November 13 November "Hung Up" Madonna 20 November "My Humps" The Black Eyed Peas 27 November 4 December "Maybe Tonight" Kate DeAraugo 11 December 18 December "Wasabi"/"Eye of the Tiger" Lee Harding 25 December
Number-one artists Position Artist Weeks #11 Pussycat Dolls 71 Busta Rhymes (as featuring) 72 Anthony Callea 52 Nelly 52 Tim McGraw (as featuring) 52 The Black Eyed Peas 53 Jesse McCartney 44 Akon 34 Crazy Frog 34 Kanye West 34 Jamie Foxx (as featuring) 35 Nitty 25 Snoop Dogg 25 Justin Timberlake (as featuring) 25 Charlie Wilson (as featuring) 25 Mariah Carey 25 Kate DeAraugo 25 Lee Harding 26 Brian McFadden 16 Delta Goodrem 16 Will Smith 16 Gwen Stefani 16 Backstreet Boys 16 2Pac 16 Elton John (as featuring) 16 Shannon Noll 16 Madonna 1
References Australian Record Industry Association (ARIA) official site