This is a list of Number 1 hit singles in 1980 in New Zealand, starting with the first chart dated, 18 January 1980.
Grey shading indicates a song of New Zealand origin.
| Week | Artist | Title | Album |
|---|---|---|---|
| 18 January | Jon Stevens | Jezebel | |
| 25 January | Jon Stevens | Montego Bay | |
| 1 February | Jon Stevens | Montego Bay | |
| 8 February | Pink Floyd | Another Brick in the Wall | The Wall |
| 15 February | Pink Floyd | Another Brick in the Wall | The Wall |
| 22 February | Pink Floyd | Another Brick in the Wall | The Wall |
| 29 February | Pink Floyd | Another Brick in the Wall | The Wall |
| 7 March | Pink Floyd | Another Brick in the Wall | The Wall |
| 14 March | Split Enz | I Got You | True Colours |
| 21 March | Split Enz | I Got You | True Colours |
| 28 March | Split Enz | I Got You | True Colours |
| 4 April | Ry Cooder | Little Sister | |
| 11 April |
|
||
| 18 April | Smokey Robinson | Cruisin' | Where There's Smoke... |
| 25 April | Smokey Robinson | Cruisin' | Where There's Smoke... |
| 2 May | Smokey Robinson | Cruisin' | Where There's Smoke... |
| 9 May | Smokey Robinson | Cruisin' | Where There's Smoke... |
| 16 May | Dr. Hook | Sexy Eyes | |
| 23 May | Peaches & Herb | I Pledge My Love | |
| 30 May | The Brothers Johnson | Stomp! | Light Up the Night |
| 6 June | The Brothers Johnson | Stomp! | Light Up the Night |
| 13 June | The Brothers Johnson | Stomp! | Light Up the Night |
| 20 June | The Brothers Johnson | Stomp! | Light Up the Night |
| 27 June | The Brothers Johnson | Stomp! | Light Up the Night |
| 4 July | The Brothers Johnson | Stomp! | Light Up the Night |
| 11 July | Lipps Inc | Funkytown | Mouth to Mouth |
| 18 July | Ritz | Locomotion | |
| 25 July | Ritz | Locomotion | |
| 1 August | Ritz | Locomotion | |
| 8 August | Ritz | Locomotion | |
| 15 August | Matchbox | Rockabilly Rebel | |
| 22 August | Ritz | Locomotion | |
| 28 August | Ritz | Locomotion | |
| 5 September | Ritz | Locomotion | |
| 12 September | UB40 | Food for Thought | Signing Off |
| 19 September | UB40 | Food for Thought | Signing Off |
| 26 September | UB40 | Food for Thought | Signing Off |
| 3 October | UB40 | Food for Thought | Signing Off |
| 10 October | Diana Ross | Upside Down | Diana |
| 17 October | Diana Ross | Upside Down | Diana |
| 24 October | Diana Ross | Upside Down | Diana |
| 31 October | Diana Ross | Upside Down | Diana |
| 7 November | Stevie Wonder | Master Blaster (Jammin') | Hotter than July |
| 14 November | Stevie Wonder | Master Blaster (Jammin') | Hotter than July |
| 21 November | Stevie Wonder | Master Blaster (Jammin') | Hotter than July |
| 28 November | Pointer Sisters | He's So Shy | He's So Shy |
| 5 December | Pointer Sisters | He's So Shy | He's So Shy |
| 12 December | Pointer Sisters | He's So Shy | He's So Shy |
| 19 December | Joe Dolce | Shaddap You Face | (non-album single) |
|
|||||||||||||||||||||||||||