List of Oricon number-one albums of 2015
# List of Oricon number-one albums of 2015

The highest-selling albums in Japan are ranked in the weekly Oricon Albums Chart, which is published by Oricon Style magazine. The data is compiled by Oricon based on each albums' weekly physical sales. This list includes the albums that reached the number one place on that chart in 2015.

## Chart history

| Issue Date | Album | Artist(s) |
| - | - | - |
| January 5 | Fun! Fun! Fanfare! | Ikimono-gakari |
| January 12 | E.G.Time | E-girls |
| January 19 | Tōmei na Iro | Nogizaka46 |
| January 26 | Tree | Sekai no Owari |
| February 2 | Koko ga Rhodes da, Koko de Tobe! | AKB48 |
| February 9 | Planet Seven | Sandaime J Soul Brothers from Exile Tribe |
| February 16 | Planet Seven | Sandaime J Soul Brothers from Exile Tribe |
| February 23 | 35xxxv | One Ok Rock |
| March 3 | Generation Ex | Generations from Exile Tribe |
| March 9 | White | News |
| March 16 | Epic Day | B'z |
| March 23 | Sexy Power 3 | Sexy Zone |
| March 30 | Walk of My Life | Koda Kumi |
| April 6 | 19: Road to Amazing World | Exile |
| April 13 | Budō | Southern All Stars |
| April 20 | Tama Riku | Masaharu Fukuyama |
| April 27 | 2PM of 2PM | 2PM |
| May 4 | Paripipo | Johnny's West |
| May 11 | Journey of a Songwriter: Tabi Suru Songwriter | Shōgo Hamada |
| May 18 | Journey of a Songwriter: Tabi Suru Songwriter | Shōgo Hamada |
| May 25 | A.B.Sea Market | A.B.C-Z |
| June 1 | TU | Tsuyoshi Domoto |
| June 8 | μ’s Best Album Best Live! Collection II | μ's |
| June 15 | Reflection | Mr. Children |
| June 22 | Genic | Namie Amuro |
| June 29 | No Music No Weapon | Golden Bomber |
| July 6 | JUMPing CAR | Hey! Say! JUMP |
| July 13 | Kis-My-World | Kis-My-Ft2 |
| July 20 | Dreams Come True The Best! Watashi no Dorikamu | Dreams Come True |
| July 27 | Dreams Come True The Best! Watashi no Dorikamu | Dreams Come True |
| August 3 | Dreams Come True The Best! Watashi no Dorikamu | Dreams Come True |
| August 10 | Super Very Best | V6 |
| August 17 | Dreams Come True the Best! Watashi no Dorikamu | Dreams Come True |
| August 24 | Dreams Come True the Best! Watashi no Dorikamu | Dreams Come True |
| August 31 | Rhinoceros | Porno Graffitti |
| September 7 | Dreams Come True the Best! Watashi no Dorikamu | Dreams Come True |
| September 14 | Yasou Emaki | Wagakki Band |
| September 21 | Ninin Sankyaku 2015.8.15: Midori no hi | Yuzu |
| September 28 | AAA 10th Anniversary Best | AAA |
| October 5 | The Visionalux | Exile Takahiro |
| October 12 | Colors | CNBLUE |
| October 19 | Bremen | Kenshi Yonezu |
| October 26 | French Kiss | French Kiss |
| November 2 | Japonism | Arashi |
| November 9 | Japonism | Arashi |
| November 16 | 1 | The Beatles |
| November 23 | Kanjani8 no Genki ga Deru CD!! | Kanjani Eight |
| November 30 | 0 to 1 no Aida | AKB48 |
| December 7 | 0 to 1 no Aida | AKB48 |
| December 14 | Yellow Dancer | Gen Hoshino |
| December 21 | Chandelier | Back Number |
| December 28 | Chandelier | Back Number |
