Song: "Theme From Mahogany"
Artist: Diana Ross
Peak position on the Cashbox Singles chart: #1
Number of weeks on the Cashbox Singles chart: 16
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| November 1, 1975 | 88 | Theme From Mahogany | Diana Ross | Motown 1377 |
| November 8, 1975 | 76 | Theme From Mahogany | Diana Ross | Motown 1377 |
| November 15, 1975 | 64 | Theme From Mahogany | Diana Ross | Motown 1377 |
| November 22, 1975 | 52 | Theme From Mahogany | Diana Ross | Motown 1377 |
| November 29, 1975 | 28 | Theme From Mahogany | Diana Ross | Motown 1377 |
| December 6, 1975 | 18 | Theme From Mahogany | Diana Ross | Motown 1377 |
| December 13, 1975 | 13 | Theme From Mahogany | Diana Ross | Motown 1377 |
| December 20, 1975 | 7 | Theme From Mahogany | Diana Ross | Motown 1377 |
| December 27, 1975 | 3 | Theme From Mahogany | Diana Ross | Motown 1377 |
| January 3, 1976 | 2 | Theme From Mahogany | Diana Ross | Motown 1377 |
| January 10, 1976 | 1 | Theme From Mahogany | Diana Ross | Motown 1377 |
| January 17, 1976 | 4 | Theme From Mahogany | Diana Ross | Motown 1377 |
| January 24, 1976 | 15 | Theme From Mahogany | Diana Ross | Motown 1377 |
| January 31, 1976 | 22 | Theme From Mahogany | Diana Ross | Motown 1377 |
| February 7, 1976 | 45 | Theme From Mahogany | Diana Ross | Motown 1377 |
| February 14, 1976 | 54 | Theme From Mahogany | Diana Ross | Motown 1377 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.