These are the Oricon number one albums of 2000, per the Oricon Albums Chart.
| † | Indicates best-selling album of 2000 |
| Issue Date | Album | Sales | Artist(s) |
|---|---|---|---|
| January 3 | Carry On My Way | 567,190 | Speed |
| January 17 | Love Is The Message | 1,349,650 | Misia |
| January 24 | 173,870 | ||
| January 31 | Fresh Brash Old Man | 161,780 | Snail Ramp |
| February 7 | Genius 2000 | 536,940 | Namie Amuro |
| February 14 | 141,070 | ||
| February 21 | Infinity Eighteen Vol. 1 | 825,130 | Ami Suzuki |
| February 28 | Greatest Hits "The Soul" | 446,450 | Dreams Come True |
| March 6 | B'z The "Mixture" | 1,101,440 | B'z |
| March 13 | Best: Psychommunity | 407,600 | Hide |
| March 20 | Sakura no Ki no Shita | 168,300 | aiko |
| March 27 | Eternity | 554,570 | Every Little Thing |
| April 3 | Fresh | 767,300 | Judy and Mary |
| April 10 | Shouso Strip | 904,380 | Ringo Sheena |
| April 17 | 724,060 | ||
| April 24 | 189,710 | ||
| May 1 | Misia Remix 2000 Little Tokyo | 234,190 | Misia |
| May 8 | Petit Best: Ki Ao Aka | 385,680 | Various Artists |
| May 15 | 211,300 | ||
| May 22 | Tubest III | 250,650 | Tube |
| May 29 | KinKi Single Selection | 712,340 | KinKi Kids |
| June 5 | Koyanagi the Covers Product 1 | 233,480 | Yuki Koyanagi |
| June 12 | Mayo Okamoto Best Rise I | 233,480 | Mayo Okamoto |
| June 19 | Babylon | 207,860 | Sads |
| June 26 | Rapunzel | 185,590 | Cocco |
| July 3 | The Changing Same | 381,180 | Ken Hirai |
| July 10 | Delicious Way † | 2,218,640 | Mai Kuraki |
| July 17 | 528,780 | ||
| July 24 | Yuzuman no Natsu | 368,270 | Yuzu |
| July 31 | Beat Ball | 182,310 | Da Pump |
| August 7 | Mugendai | 402,170 | 19 |
| August 14 | Super Eurobeat Vol.110 Millennium Anniversary Non-Stop Mega Mix | 157,360 | Various Artists |
| August 21 | "Happy" Coming Century, 20th Century Forever | 141,060 | V6 |
| August 28 | Super Eurobeat Vol.110 Millennium Anniversary Non-Stop Mega Mix | 104,180 | Various Artists |
| September 4 | Expansion | 621,730 | Yuki Koyanagi |
| September 11 | Real | 811,260 | L'Arc-en-Ciel |
| September 18 | 153,710 | ||
| September 25 | Zecchōshū | 275,920 | Ringo Sheena |
| October 2 | Image | 88,190 | Various Artists |
| October 9 | Duty | 1,682,760 | Ayumi Hamasaki |
| October 16 | 339,810 | ||
| October 23 | 205,180 | ||
| October 30 | 116,970 | ||
| November 6 | Daiya-monde | 274,150 | Hitomi Yaida |
| November 13 | Tobira | 508,930 | Yuzu |
| November 20 | The History of Shogo Hamada "Since 1975" | 424,600 | Shōgo Hamada |
| November 27 | 1 | 469,220 | The Beatles |
| December 4 | Ballad 3 ~The Album of Love~ | 1,368,650 | Southern All Stars |
| December 11 | Drive~GLAY Complete Best~ | 1,726,780 | Glay |
| December 18 | Eleven | 756,910 | B'z |
| December 25 | D Album | 354,830 | KinKi Kids |
