| class="wikitable" style="text-align:center;" |
| scope="col"| Release Date
! scope="col"| Artist
! scope="col"| Album
! scope="col"| Label |
|---|
| January 20
| Dizzee Rascal
| Boy in da Corner
| Bank Records |
| January 27
| Twista
| Kamikaze
| Atlantic Records |
| February 3
| Micranots
| The Emperor & the Assassin
| Rhymesayers Entertainment |
| rowspan="2"|February 10
| Kanye West
| The College Dropout
| Roc-A-Fella Records, Def Jam Recordings |
| Drag-On
| Hell and Back
| Ruff Ryders, Virgin Records |
| rowspan="4"| February 24
| Z-Ro
| The Life of Joseph W. McVey
| Rap-a-Lot Records |
| Royce da 5'9
| Death is Certain
| E1 Music |
| Trillville and Lil Scrappy
| The King of Crunk & BME Recordings Present: Trillville & Lil Scrappy
| Warner Bros. Records, Black Market Records, Warner Records, Reprise Records |
| Young Gunz
| Tough Luv
| Roc-A-Fella Records, Def Jam Recordings |
| | March 1
| Noah23 & Jaffa Gate
| Ancient Israelites Older Than Anorthosite
| Northstar Imprint[{{cite web|url=http://www.discogs.com/Noah23-Jaffa-Gate-Ancient-Israelites-Older-Than-Anorthosite/release/509875|title=Noah23 & Jaffa Gate - Ancient Israelites Older Than Anorthosite|website=Discogs}}] |
| rowspan="2"| March 2
| Cee-Lo Green
| Cee-Lo Green... Is the Soul Machine
| Arista Records |
| Beans
| Now Soon Someday [EP]
| |
| March 3
| Tunnel Rats
| Tunnel Rats
| Uprok Records |
| March 16
| cLOUDDEAD
| Ten |
| rowspan="7"|March 23
| Blockhead
| Music by Cavelight
| Ninja Tune |
| Cypress Hill
| Till Death Do Us Part
| Columbia Records |
| Eyedea & Abilities
| E&A
| Rhymesayers Entertainment |
| Madvillain
| Madvillainy
| Stones Throw Records |
| MURS & 9th Wonder
| Murs 3:16 The 9th Edition
| Definitive Jux |
| N*E*R*D
| Fly or Die
| Star Trak Entertainment, Virgin Records |
| Skatterman & Snug Brim
| Urban Legendz
| Strange Music |
| March 30
| Lil Flip
| U Gotta Feel Me
| Sucka Free, Clover G, Columbia, Sony Urban |
| rowspan="3"|April 6
| Dark Lotus
| Black Rain
| Psychopathic Records |
| Dilated Peoples
| Neighborhood Watch
| Capitol Records |
| Non Phixion
| The Green CD/DVD
| Uncle Howie Records |
| rowspan="2"|April 13
| Illogic
| Celestial Clockwork
| Weightless Recordings |
| Plague Language
| Farewell Archetypes
| Legendary Entertainment, Plague Language[{{cite web|url=http://legendaryentertainment.com/tag/farewell-archetypes/|title=Legendary Entertainment – Farewell Archetypes|last=DigitalCavalry|website=legendaryentertainment.com|access-date=2013-11-14|archive-url=https://web.archive.org/web/20150610213128/http://legendaryentertainment.com/tag/farewell-archetypes/|archive-date=2015-06-10|url-status=dead}}] |
| rowspan="2"| April 20
| Automato
| Automato
| |
| Ghostface Killah
| The Pretty Toney Album
| Def Jam Recordings |
| April 27
| D12
| D12 World
| Shady Records, Interscope Records |
| May 4
| Ill Bill
| What's Wrong with Bill?
| Psycho+Logical-Records |
| rowspan="3"| May 11
| Gift of Gab
| 4th Dimensional Rocketships Going Up
| Quannum Projects |
| MF Grimm
| Special Herbs + Spices Volume 1
| Day by Day Entertainment |
| Pete Rock
| Soul Survivor II
| BBE Records |
| rowspan="3"| May 18
| Method Man
| Tical 0: The Prequel
| Def Jam Recordings |
| The Streets
| A Grand Don't Come for Free
| |
| Twiztid
| Cryptic Collection Vol. 3
| Psychopathic Records |
| May 20
| Lecrae
| Real Talk
| Reach Records |
| June 1
| Masta Killa
| No Said Date
| Nature Sounds |
| rowspan="2"| June 8
| The X-Ecutioners
| The Revolutions
| Sony Music |
| Spice 1
| The Ridah
| |
| rowspan="3"| June 15
| Beastie Boys
| To the 5 Boroughs
| Capitol Records |
| Proof
| I Miss the Hip Hop Shop
| Iron Fist Records |
| Sabac Red
| Sabacolypse: A Change Gon' Come
| Psycho+Logical-Records |
| rowspan="3"| June 22
| Erick Sermon
| Chilltown, New York
| Motown Records |
| Jadakiss
| Kiss of Death
| Ruff Ryders Entertainment, Interscope Records |
| Phat Kat
| The Undeniable LP
| Barak Records |
| rowspan="2"| June 27
| rowspan="2"|Noah23
| Sigma Octantis
| rowspan="2"| Legendary Entertainment, Plague Language[{{cite web|url=https://music.apple.com/ie/album/sigma-octantis/288512446|title=Sigma Octantis by Noah23|website=iTunes |date=27 July 2004|publisher=}}] |
| Mitochondrial Blues |
| rowspan="5"| June 29
| Goodie Mob
| One Monkey Don't Stop No Show
| Koch Records |
| Headset
| Space Settings
| |
| Lloyd Banks
| The Hunger For More
| G-Unit Records, Interscope Records |
| Slum Village
| Detroit Deli: A Taste of Detroit
| Capitol Records |
| Lil Wayne
| Tha Carter
|Cash Money Records |
| rowspan="5"| July 13
| Leak Bros.
| Waterworld
| Eastern Conference Records |
| The Pharcyde
| Humboldt Beginnings
| |
| Project: Deadman
| Self Inflicted
| Strange Music |
| The Roots
| The Tipping Point
| Geffen Records |
| 7L & Esoteric
| DC2: Bars of Death
| Babygrande Records |
| rowspan="3"| July 27
| Anybody Killa
| Dirty History
| Psychopathic Records |
| Bigg Jus
| Black Mamba Serums v2.0
| Big Dada Recordings |
| OuterSpace
| Blood and Ashes
| Babygrande Records |
| rowspan="3"| August 3
| Masta Ace
| A Long Hot Summer
| M3 Records |
| MF Doom
| VV:2
| Insomniac, Inc. |
| Theodore Unit
| 718
| |
| rowspan="5"| August 10
| Brand Nubian
| Fire in the Hole
| Babygrande Records |
| Kutt Calhoun
| B.L.E.V.E.
| Strange Music |
| Mobb Deep
| Amerikaz Nightmare
| Jive Records |
| Mr. Hyde
| Barn of the Naked Dead
| Psycho+Logical-Records |
| Shyne
| Godfather Buried Alive
| Def Jam Recordings |
| rowspan="2"| August 17
| Northern State
| All City
| |
| 213
| The Hard Way
| Doggystyle Records, G-Funk Entertainment, Dogg Foundation, TVT Records |
| rowspan="6"| August 24
| The Foreign Exchange
| Connected
| Barely Breaking Even |
| Jedi Mind Tricks
| Legacy of Blood
| Babygrande Records |
| Jim Jones
| On My Way to Church
| Diplomat Records, Koch Records |
| Ma$e
| Welcome Back
| Bad Boy Entertainment |
| MC Breed
| The New Prescription
| Psychopathic Records |
| Young Buck
| Straight Outta Ca$hville
| G-Unit Records, Interscope Records |
| rowspan="2"| August 31
| Insane Clown Posse
| The Wraith: Hell's Pit
| Psychopathic Records |
| LL Cool J
| The DEFinition
| Def Jam Recordings |
| September 7
| Rob Sonic
| Telicatessen
| Definitive Jux |
| rowspan="3"| September 14
| Dizzee Rascal
| Showtime
| |
| rowspan="2"| Nelly
| Sweat
| rowspan="2"| Derrty Entertainment, Universal Records |
| Suit |
| rowspan="5"| September 21
| Jean Grae
| This Week
| Babygrande Records |
| k-os
| Joyful Rebellion
| |
| Lil' Romeo
| Romeoland
| The New No Limit Records, Koch Records |
| Necro
| The Pre-Fix for Death
| Psycho+Logical-Records |
| Saul Williams
| Saul Williams
| Fader Label |
| rowspan="4"| September 28
| Heiruspecs
| A Tiger Dancing
| |
| Shawnna
| Worth tha Weight
| Disturbing tha Peace, Def Jam Recordings |
| Guerilla Black
| Guerilla City
| Virgin Records |
| Talib Kweli
| The Beautiful Struggle
| Rawkus Records |
| rowspan="2"| October 5
| De La Soul
| The Grind Date
| AOI Records |
| I-20
| Self Explanatory
| Disturbing tha Peace, Capitol Records |
| rowspan="2"| October 12
| Gold Chains And Curly Cie
| When The World Was Our Friend
| |
| Mos Def
| The New Danger
| Rawkus Records, Geffen Records |
| rowspan="5"| October 19
| Beans
| Shock City Maverick
| |
| Bizzy Bone
| Alpha and Omega
| |
| Blaze Ya Dead Homie
| Colton Grundy: The Undying
| Psychopathic Records |
| Lil Wyte
| Phinally Phamous
| Hypnotize Minds |
| Q-Unique
| Vengeance is Mine
| Uncle Howie Records |
| rowspan="4"| October 26
| Afrika Bambaataa
| Dark Matter Moving at the Speed of Light
| Tommy Boy Records |
| Goretex
| The Art of Dying
| Psycho+Logical-Records |
| Lateef & the Chief
| Maroons: Ambush
| Quannum Projects |
| Jay-Z & R. Kelly
|Unfinished Business
|Roc-A-Fella Records, Def Jam Recordings, Jive Records, Rockland Records |
| Trick Daddy
| Thug Matrimony: Married to the Streets
| Atlantic Records |
| November 1
| Noah23
| Jupiter Sajitarius
| 2nd Rec[{{cite web|url=https://itunes.apple.com/ie/album/jupiter-sajitarius/id187897735|archive-url=https://web.archive.org/web/20160131030013/https://itunes.apple.com/ie/album/jupiter-sajitarius/id187897735|url-status=dead|archive-date=January 31, 2016|title=Jupiter Sajitarius by Noah23|website=iTunes |date=1 November 2004|publisher=}}] |
| rowspan="4"|November 9
| Ed O.G.
| My Own Worst Enemy
| |
| Fabolous
| Real Talk
| Desert Storm Records, Elektra Records |
| Handsome Boy Modeling School
| White People
| Elektra Records |
| Ja Rule
| R.U.L.E.
| Murder Inc. Records, Def Jam Recordings |
| November 12
| Eminem
| Encore
| Shady Records, Aftermath Entertainment, Interscope Records, Web Entertainment |
| rowspan="6"| November 16
| Chingy
| Powerballin'
| Full Dekk Music Group, Capitol Records |
| Lil Jon & The East Side Boyz
| Crunk Juice
| BME Recordings, TVT Records |
| MF Doom
| Mm..Food
| Rhymesayers Entertainment |
| Monoxide Child
| Chainsmoker LP
| Psychopathic Records |
| R.A. the Rugged Man
| Die, Rugged Man, Die
| Nature Sounds |
| Snoop Dogg
| R&G (Rhythm & Gangsta): The Masterpiece
| Doggystyle Records, Star Trak Entertainment, Geffen Records |
| rowspan="3"|November 23
| Apathy
| Where's Your Album?!!
| |
| Axe Murder Boyz
| The Unforgiven Forest
| Canonize Productions |
| The Diplomats
| Diplomatic Immunity 2
| Diplomat Records, Koch Records |
| rowspan="2"|November 30
| Nas
| Street's Disciple
| Ill Will Records, Columbia Records |
| T.I.
| Urban Legend
| Grand Hustle Records, Atlantic Records |
| rowspan="2"| December 7
| Cam'ron
| Purple Haze
| Roc-A-Fella Records, Diplomat Records, Def Jam Recordings |
| Ludacris
| The Red Light District
| Disturbing tha Peace, Def Jam Recordings |
| rowspan="2"| December 14
| Xzibit
| Weapons of Mass Destruction
| Open Bar Entertainment, Columbia Records, Sony Music |
| 2Pac
| Loyal to the Game
| Amaru Entertainment, Interscope Records |