This is a list of songs that reached No. 1 on the Billboard Japan Top Download Songs Chart in Japan in 2017. Billboard Japan made this chart in October. Oricon also does a Download Songs Chart. Both charts are not exactly, but mostly the same. Chart of Billboard Japan is used here for convenience.
| Issue date | Song | Artist(s) | Ref |
|---|---|---|---|
| Oct. 9 | "Hero" | Namie Amuro | [1] |
| Oct. 16 | "ASH" | LiSA | [2] |
| Oct. 23 | "Hana no Uta" (花の唄) |
Aimer | [3] |
| Oct. 30 | [4] | ||
| Nov. 6 | "Kaze ni Fukarete mo" (風に吹かれても,Even If Blown by the Wind) |
Keyakizaka46 | [5] |
| Nov. 13 | "Haiiro to Ao" (灰色と青) |
Kenshi Yonezu featuring Masaki Suda | [6] |
| Nov. 20 | [7] | ||
| Nov. 27 | "Invisible Sensation" | USG | [8] |
| Dec. 4 | "fake town baby" | [9] | |
| Dec. 11 | "Seiren'naru Heretics" (清廉なるHeretics) |
Kegani featuring DracoVirgo | [10] |
| Dec. 18 | "Anata" (あなた, You) |
Hikaru Utada | [11] |
| Dec. 25 | [12] |
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|---|---|---|---|---|---|
| Oricon Singles Chart |
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| Billboard Japan Hot 100 |
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| Digital tracks |
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| See also |
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