Nummer 1-hits in de Billboard Best Sellers Chart in 1940
Deze hits stonden in 1940 op nummer 1 in Billboards Best Selling Retail Records hitlijst.
| Datum | Artiest | Titel |
|---|---|---|
| 27 juli |  Tommy Dorsey | I'll never smile again |
| 3 augustus | Tommy Dorsey | I'll never smile again |
| 10 augustus | Tommy Dorsey | I'll never smile again |
| 17 augustus | Tommy Dorsey | I'll never smile again |
| 24 augustus | Tommy Dorsey | I'll never smile again |
| 31 augustus | Tommy Dorsey | I'll never smile again |
| 7 september | Tommy Dorsey | I'll never smile again |
| 14 september | Tommy Dorsey | I'll never smile again |
| 21 september | Tommy Dorsey | I'll never smile again |
| 28 september | Tommy Dorsey | I'll never smile again |
| 5 oktober | Tommy Dorsey | I'll never smile again |
| 12 oktober | Tommy Dorsey | I'll never smile again |
| 19 oktober | Bing Crosby | Only forever |
| 26 oktober | Bing Crosby | Only forever |
| 2 november | Bing Crosby | Only forever |
| 9 november | Bing Crosby | Only forever |
| 16 november | Bing Crosby | Only forever |
| 23 november | Bing Crosby | Only forever |
| 30 november | Bing Crosby | Only forever |
| 7 december | Bing Crosby | Only forever |
| 14 december | Bing Crosby | Only forever |
| 21 december | Artie Shaw | Frenesi |
| 28 december | Artie Shaw | Frenesi |
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