This is a list of the German Media Control Top100 Singles Chart number-ones of 1973.
| Issue date | Song | Artist |
|---|---|---|
| 5 January | "Ich Wünsch' mir 'ne Kleine Miezekatze" | Wums Gesang |
| 12 January | ||
| 19 January | ||
| 26 January | ||
| 2 February | ||
| 9 February | ||
| 16 February | ||
| 23 February | "Blockbuster" | Sweet |
| 2 March | ||
| 9 March | ||
| 15 March | "Mama Loo" | Les Humphries Singers |
| 23 March | ||
| 30 March | "Blockbuster" | Sweet |
| 6 April | "Mama Loo" | Les Humphries Singers |
| 13 April | "Der Junge mit der Mundharmonika" | Bernd Clüver |
| 20 April | ||
| 27 April | ||
| 4 May | ||
| 11 May | "Get Down" | Gilbert O'Sullivan |
| 18 May | ||
| 25 May | ||
| 1 June | ||
| 8 June | ||
| 15 June | ||
| 22 June | ||
| 29 June | ||
| 6 July | ||
| 13 July | ||
| 20 July | "Hell Raiser" | Sweet |
| 27 July | ||
| 3 August | "Goodbye, My Love, Goodbye" | Demis Roussos |
| 10 August | "Can the Can" | Suzi Quatro |
| 17 August | ||
| 24 August | ||
| 31 August | ||
| 7 September | ||
| 14 September | ||
| 21 September | ||
| 28 September | ||
| 5 October | "Der Kleine Prinz" | Bernd Clüver |
| 12 October | ||
| 19 October | "The Ballroom Blitz" | Sweet |
| 26 October | "Der Kleine Prinz" | Bernd Clüver |
| 2 November | "I'd Love You to Want Me" | Lobo |
| 9 November | "Der Kleine Prinz" | Bernd Clüver |
| 16 November | "I'd Love You to Want Me" | Lobo |
| 23 November | ||
| 30 November | ||
| 7 December | ||
| 14 December | ||
| 21 December | ||
| 28 December |