This is a list of the Austrian Singles Chart number-one hits of 1991. [1]
| Issue date | Song | Artist |
|---|---|---|
| 6 January | " Sadeness Part I" | Enigma |
| 13 January | ||
| 20 January | ||
| 27 January | ||
| 3 February | " Unchained Melody" | The Righteous Brothers |
| 10 February | ||
| 17 February | ||
| 24 February | ||
| 3 March | ||
| 10 March | ||
| 17 March | " Hello Afrika" | Dr. Alban featuring Leila K. |
| 24 March | " Gonna Make You Sweat (Everybody Dance Now)" | C+C Music Factory featuring Freedom Williams |
| 31 March | " Joyride" | Roxette |
| 7 April | ||
| 14 April | ||
| 21 April | ||
| 28 April | ||
| 5 May | ||
| 12 May | ||
| 19 May | ||
| 26 May | ||
| 2 June | ||
| 9 June | " The One and Only" | Chesney Hawkes |
| 16 June | " The Shoop Shoop Song (It's in His Kiss)" | Cher |
| 23 June | ||
| 30 June | ||
| 7 July | " Wind of Change" | Scorpions |
| 14 July | ||
| 21 July | ||
| 28 July | ||
| 4 August | ||
| 11 August | ||
| 18 August | ||
| 25 August | ||
| 1 September | ||
| 8 September | " Bacardi Feeling (Summer Dreamin')" | Kate Yanai |
| 15 September | "Do the Limbo Dance" | David Hasselhoff |
| 22 September | "Bacardi Feeling (Summer Dreamin')" | Kate Yanai |
| 29 September | " (Everything I Do) I Do It for You" | Bryan Adams |
| 6 October | ||
| 13 October | ||
| 20 October | ||
| 27 October | ||
| 3 November | ||
| 10 November | ||
| 17 November | " Let's Talk About Sex" | Salt-n-Pepa |
| 24 November | ||
| 1 December | ||
| 8 December | ||
| 15 December | ||
| 22 December | ||
| 29 December |