List of number-one albums of 1991 (Australia)

These are the Australian number one albums of 1991, per Australian Recording Industry Association.

Issue Date	Album	Artist	Weeks at number one (total)
6 January	In Concert	The Three Tenors	4 weeks
13 January	The Immaculate Collection	Madonna	5 weeks
20 January	The Immaculate Collection	Madonna	5 weeks
27 January	The Very Best of Elton John	Elton John	1 week
3 February	Rhythm Nation 1814	Janet Jackson	4 weeks
10 February	Souvenir - The Ultimate Collection	Billy Joel	1 week
17 February	Rhythm Nation 1814	Janet Jackson	4 weeks
24 February	Rhythm Nation 1814	Janet Jackson	4 weeks
3 March	Rhythm Nation 1814	Janet Jackson	4 weeks
10 March	Home	Hothouse Flowers	1 week
17 March	Dreamland	Black Box	3 weeks
24 March	Dreamland	Black Box	3 weeks
31 March	Dreamland	Black Box	3 weeks
7 April	Twin Peaks	Angelo Badalamenti	1 week
14 April	Greatest Hits	Eurythmics	7 weeks
21 April	Greatest Hits	Eurythmics	7 weeks
28 April	Greatest Hits	Eurythmics	7 weeks
5 May	Greatest Hits	Eurythmics	7 weeks
12 May	Greatest Hits	Eurythmics	7 weeks
19 May	Greatest Hits	Eurythmics	7 weeks
26 May	Greatest Hits	Eurythmics	7 weeks
2 June	Blind Love	Ratcat	3 weeks
9 June	Blind Love	Ratcat	3 weeks
16 June	Two Fires	Jimmy Barnes	5 weeks
23 June	Blind Love	Ratcat	3 weeks
30 June	Grease	Soundtrack	13 weeks
7 July	Grease	Soundtrack	13 weeks
14 July	Grease	Soundtrack	13 weeks
21 July	Love versus Money	Noiseworks	1 week
28 July	Vagabond Heart	Rod Stewart	1 week
4 August	Unforgettable... with Love	Natalie Cole	6 weeks
11 August	Unforgettable... with Love	Natalie Cole	6 weeks
18 August	Unforgettable... with Love	Natalie Cole	6 weeks
25 August	Metallica	Metallica	1 week
1 September	Unforgettable... with Love	Natalie Cole	6 weeks
8 September	Unforgettable... with Love	Natalie Cole	6 weeks
15 September	Unforgettable... with Love	Natalie Cole	6 weeks
22 September	On Every Street	Dire Straits	1 week
29 September	Use Your Illusion II	Guns N' Roses	3 weeks
6 October	Use Your Illusion II	Guns N' Roses	3 weeks
13 October	Use Your Illusion II	Guns N' Roses	3 weeks
20 October	Waking Up the Neighbours	Bryan Adams	4 weeks
27 October	Waking Up the Neighbours	Bryan Adams	4 weeks
3 November	Waking Up the Neighbours	Bryan Adams	4 weeks
10 November	Waking Up the Neighbours	Bryan Adams	4 weeks
17 November	Soul Deep	Jimmy Barnes	3 weeks
24 November	Soul Deep	Jimmy Barnes	3 weeks
1 December	Achtung Baby	U2	1 week
8 December	Dangerous	Michael Jackson	6 weeks
15 December	Dangerous	Michael Jackson	6 weeks
22 December	Dangerous	Michael Jackson	6 weeks
29 December	Dangerous	Michael Jackson	6 weeks

Notes

• Number of number one albums: 22
• Longest run at number one (during 1991): Greatest Hits by Eurythmics (7 weeks)
• Jimmy Barnes had two separate number-one albums in the same year; Two Fires and Soul Deep.

See also

• 1991 in music
• List of number-one singles in Australia during the 1990s