While they only had three studio albums, Nirvana had a lot of releases in their discography. I've included just about everything aside from video albums. Basically, if it's got an album cover, it's featured!
This does not include bootlegs, though I myself own quite a few!

Love Buzz
Love Buzz
1988
Single
Bleach
Bleach
1989
Studio Album
Blew
Blew
1989
EP
Sliver
Sliver
1990
Single
Candy/Molly's Lips
Candy/Molly's Lips
1991
Single (w/ The Fluid)
HSCN/ViF
Here She Comes Now/Venus in Furs
1991
Single (w/ The Melvins)
SLTS
Smells Like Teen Spirit
1991
Single
Nevermind
Nevermind
1991
Studio Album
Hormoaning
Hormoaning
1992
EP
COYA
Come As You Are
1992
Single
Lithium
Lithium
1992
Single
In Bloom
In Bloom
1992
Single
Incesticide
Incesticide
1992
Compilation
Puss/OtG
Puss/Oh the Guilt
1993
Single (w/ The Jesus Lizard)
HSB
Heart Shaped Box
1993
Single
In Utero
In Utero
1993
Studio Album
AA/RM
All Apologies/Rape Me/MV
1993
Single
Pennyroyal Tea
Pennyroyal Tea
1994
Single
About A Girl
About a Girl
1994
Live Single
MTV Unplugged
MTV Unplugged in New York
1994
Live Album
LiveTonightSoldOut
Live! Tonight! Sold Out!
1994
Live Compilation
Singles
Singles
1995
Compilation
FTMBOW
From the Muddy Banks of Wishkah
1996
Live Compilation
YKYR
You Know You're Right
2002
Single
GreatestHits
Nirvana: Greatest Hits
2002
Compilation: Greatest Hits
WtLO
With the Lights Out
2004
Compilation: Box Set
Sliver Box
Sliver: The Best of the Box
2005
Compilation
2for1
2 for 1: Incesticide & In Utero
2009
Compilation
In Bloom Collection
In Bloom Collection
2009
Compilation
Bleach Deluxe
Bleach (deluxe)
2009
Album
LiveatReading
Live at Reading
2009
Live Album
ICON
ICON
2010
Compilation
Paramount
Live at the Paramount
2011
Live Album
Nevermind 2011
Nevermind (super deluxe)
2011
Album
Nevermind Singles
Nevermind: The Singles
2011
Compilation
Live and Loud
Live and Loud
2013
Live Album
In Utero 2013
In Utero (super deluxe)
2013
Album
Nevermind 30
Nevermind 30th
2021
Album
In Utero 30
In Utero 30th
2023
Album
No Recess
No Recess
2024
Live Album