List of best-selling singles in 2002 (Japan)
# List of best-selling singles in 2002 (Japan)

This is a list of the best-selling singles in 2002 in Japan, as reported by Oricon.

| Ranking | Single | Artist | Release | Sales |
| - | - | - | - | - |
| 1 | "H" | Ayumi Hamasaki | July 24, 2002 (2002-07-24) | 1,000,000 |
| 2 | "Traveling" | Hikaru Utada | November 28, 2001 (2001-11-28) | 856,000 |
| 3 | "Wadatsumi no Ki" | Chitose Hajime | February 6, 2002 (2002-02-06) | 839,000 |
| 4 | "Life goes on" | Dragon Ash | January 23, 2002 (2002-01-23) | 804,000 |
| 5 | "Way of Difference" | Glay | February 27, 2002 (2002-02-27) | 730,000 |
| 6 | "Sakura Drops" | Hikaru Utada | May 9, 2002 (2002-05-09) | 686,000 |
| 7 | "My Grandfather's Clock" | Ken Hirai | August 28, 2002 (2002-08-28) | 667,000 |
| 8 | "Ai no Uta" | Strawberry Flower | December 6, 2001 (2001-12-06) | 632,000 |
| 9 | "Voyage" | Ayumi Hamasaki | September 26, 2002 (2002-09-26) | 628,000 |
| 10 | "Hikari" | Hikaru Utada | March 20, 2002 (2002-03-20) | 598,000 |
