band ini bergenre rock, punk rock, dan alternative. berasal dari Ajax, Ontario, Kanada. Nama Sum 41 dipilih karena band ini terbentuk 41 hari sebelum musim panas (summer).
personelnya berjumlah 4, yaitu Derryck Whibley (vokal, gitaris, piano, keyboard, penulis lagu), Jason McCaslin (bass), Steve Jocz (drum, perkusi), Tom Thacker (gitaris utama, keyboard, piano).
Album yang sudah pernah dikeluarkan oleh Sum 41:
Half Hour of Power (27 Juni 2000)
- Makes no Difference
- Grab the Devil by the Horns and **** Him up the ***
- Machine Gun
- What I Believe
- T.H.T
- Summer
- 32 Ways to Die
- Second Chance for Max Headroom
- What We're All About
- Ride The Chariot to The Devil
- Another Time Around
All Killer No Filler (8 Mei 2001)
- Introduction to Destruction
- Nothing on My Back
- Never Wake up
- Fat Lip
- Rhythms
- Motivation
- In Too Deep
- Summer
- Handle This
- Crazy Amanda Bunkface
- All She's Got
- Heart Attack
- Pain for Pleasure
Does This Look Infected? (26 November 2002)
- The Hell Song
- Over My Head
- My Direction
- Still Waiting
- A.N.I.C
- No Brains
- All Messed Up
- Mr. Amsterdam
- Thanks for Nothing
- Hyper-Insomnia-Para-Condrioid
- Billy Spleen
- Hooch
- Reign in Pain
- WWVII Part II
- The Hell Song
- Over My Head
- My Direction
- Still Waiting
- A.N.I.C
- No Brains
- All Messed Up
- Mr. Amsterdam
- Thanks for Nothing
- Hyper-Insomnia-Para-Condrioid
- Billy Spleen
- Hooch
- Reign in Pain
- WWVII Part II
Chuck (12 Oktober 2004)
- Intro (Sum 41/Chuck)
- No reason
- We're All to Blame
- Angels with Dirty Faces
- Some Say
- The Bitter End
- Open Your Eyes
- Slipping Away
- I'm Not the One
- Welcome to Hell
- Pieces
- There's no Solution
- 88
- Noots
- Intro (Sum 41/Chuck)
- No reason
- We're All to Blame
- Angels with Dirty Faces
- Some Say
- The Bitter End
- Open Your Eyes
- Slipping Away
- I'm Not the One
- Welcome to Hell
- Pieces
- There's no Solution
- 88
- Noots
Underclass Hero (24 Juli 2007)
- Underclass Hero
- Walking Disaster
- Speak of the Devil
- Dear Father
- Count You Last Blessings
- Ma Poubelle
- March of the Dogs
- The Jester
- With Me
- Pull the Curtain
- King of Contradiction
- Best of Me
- Confusion and Frustration in Modern Times
- So Long Goodbye
- Look at Me
- Take a Look at Yourself
- No Apologies
- This is Goodbye
- Underclass Hero
- Walking Disaster
- Speak of the Devil
- Dear Father
- Count You Last Blessings
- Ma Poubelle
- March of the Dogs
- The Jester
- With Me
- Pull the Curtain
- King of Contradiction
- Best of Me
- Confusion and Frustration in Modern Times
- So Long Goodbye
- Look at Me
- Take a Look at Yourself
- No Apologies
- This is Goodbye
Screaming Bloody Murder (29 Maret 2011)
- Reason to Believe
- Screaming Bloody Murder
- Skumfuk
- Time for You to Go
- Jessica Kill
- What Am I to Say
- Holy Images of Lies
- Sick of Everyone
- Happiness Machine
- Crash
- Blood in My Eyes
- Baby You Don't Wanna Know
- Back Where I Belong
- Exit Song
- We're the Same
- Reason to Believe
- Screaming Bloody Murder
- Skumfuk
- Time for You to Go
- Jessica Kill
- What Am I to Say
- Holy Images of Lies
- Sick of Everyone
- Happiness Machine
- Crash
- Blood in My Eyes
- Baby You Don't Wanna Know
- Back Where I Belong
- Exit Song
- We're the Same
