This is a list of the best-selling singles in 1999 in Japan, as reported by Oricon.[1]
| Ranking | Single | Artist | Release | Sales | |
|---|---|---|---|---|---|
| 1 | "Dango 3 Kyodai" | Kentarō Hayami & Ayumi Shigemori | 2,918,000 | ||
| 2 | "Winter, Again" | Glay | 1,638,000 | ||
| 3 | "A" | Ayumi Hamasaki | 1,622,000 | ||
| 4 | "Energy Flow" | Ryuichi Sakamoto | 1,519,000 | ||
| 5 | "Automatic" | Hikaru Utada | 1,290,000 | ||
| 6 | "Addicted to You" | 1,290,000 | |||
| 7 | "Movin' On Without You" | 1,226,000 | |||
| 8 | "Love Machine" | Morning Musume | 1,207,000 | ||
| 9 | "Be with You" | Glay | 1,173,000 | ||
| 10 | "Heaven's Drive" | L'Arc-en-Ciel | 1,124,000 | ||
| 11 | "Flower" | KinKi Kids | 1,039,000 | ||
| 12 | "Boys & Girls" | Ayumi Hamasaki | 1,033,000 | ||
| 13 | "Last Chance " | Something Else | 998,000 |