This is a list of the best-selling singles in 2000 in Japan, as reported by Oricon.[1]
| Ranking | Single | Artist | Release | Sales | |
|---|---|---|---|---|---|
| 1 | "Tsunami" | Southern All Stars | 2,886,000 | ||
| 2 | "Sakura Zaka" | Masaharu Fukuyama | 2,280,000 | ||
| 3 | "Wait & See (Risk)" | Hikaru Utada | 1,662,000 | ||
| 4 | "Love, Day After Tomorrow" | Mai Kuraki | 1,385,000 | ||
| 5 | "Seasons" | Ayumi Hamasaki | 1,362,000 | ||
| 6 | "Lion Heart" | SMAP | 1,284,000 | ||
| 7 | "Koi no Dance Site" | Morning Musume | 1,229,000 | ||
| 8 | "Kon'ya Tsuki no Mieru Oka ni" | B'z | 1,128,000 | ||
| 9 | "Chocotto Love" | Petitmoni | 1,123,000 | ||
| 10 | "Neo Universe/Finale" | L'Arc-en-Ciel | 1,103,000 |