A Final Boss is the last Boss of a game or sub-game. Final bosses of games are usually fought with Final Weapons specific to the game, and tend to be the most difficult bosses in the game as well.

Name	Final Boss of	Title Sort by date	(Final) ability used
0²	Kirby 64: The Crystal Shards	20000324	Ribbon's Shard Gun
Dark Matter	Kirby's Dream Land 2	19950321	Rainbow Sword
Dark Mind	Kirby & the Amazing Mirror	20040415	Master (optional)
Dark Nebula	Kirby: Squeak Squad	20060211	Triple Star (optional)
Drawcia / Drawcia Soul	Kirby: Canvas Curse	20050324	None / Power Paintbrush
Dyna Blade	Dyna Blade sub-game	19960321 20080922	None
Galacta Knight	Meta Knightmare Ultra sub-game	20080922 20111024	None
Grill	Kirby Super Star Stacker	19971130	Love-Love Stick cameo
King Dedede	Kirby's Dream Land	19920427	None
King Dedede (if all Rainbow Drops haven't been obtained)	Kirby's Dream Land 2	19950321	None
King Dedede	Spring Breeze sub-game	19960321 20080922	None
King Dedede (if all Heart Stars haven't been obtained)	Kirby's Dream Land 3	19971127	None
King Dedede (Masked Dedede)	Revenge of the King sub-game	20080922	None, Hammer offered
Magolor	Kirby's Return to Dream Land	20111024	Ultra Sword
Magolor Soul (extra mode)	Kirby's Return to Dream Land	20111024	None
Marx	Kirby Super Star Milky Way Wishes sub-game (KSSU)	19960321 20080922	None
Marx Soul	Kirby Super Star Ultra	20080922	None
Meta Knight	Revenge of Meta Knight sub-game	19960321 20080922	None, Sword offered
Miracle Matter (if all Crystal Shards haven't been obtained)	Kirby 64: The Crystal Shards	20000324	None
Necrodeus	Kirby Mass Attack	20110804	None
Nightmare	Kirby's Adventure, Kirby: Nightmare in Dream Land	19930323 20021025	Star Rod
Robo Mecha Dedede	Kirby's Dream Course	19940921	None
Wham Bam Jewel	Helper to Hero sub-game	20080922	None
Wham Bam Rock	The Great Cave Offensive sub-game	19960321 20080922	None
Yin-Yarn / Mega Yin-Yarn	Kirby's Epic Yarn	20101014	None, Tankbot
Zero	Kirby's Dream Land 3	19971127	Love-Love Stick