• Deaths from dementia‎ (8 C, 12 P)

A

• People with Alzheimer's disease‎ (1 C, 120 P)

C

• People with chronic traumatic encephalopathy‎ (2 C)

F

• Fictional characters with dementia‎ (18 P)
• People with frontotemporal dementia‎ (1 C, 8 P)

L

• People with Lewy body dementia‎ (1 C, 5 P)

V

• People with vascular dementia‎ (1 C, 9 P)

B

• Jay Black
• Sam Burton

C

• David Cassidy
• Edith Ceccarelli
• Bobby Chacon
• Martha Chase
• Tony Christie
• Sean Connery
• Irv Cross

D

• John Deehan

F

• Thomas Fritsch
• Josef Fritzl

G

• Julie Goodyear
• Ted Gorin

J

• Jay Johnstone

K

• Leonid Kuravlyov

L

• Sammy Lee (diver)
• Nat Lofthouse

M

• Terry McDermott
• Wendy Mitchell (activist)
• Mustafa Muğlalı

N

• Nichelle Nichols

O

• Nobuyo Ōyama

R

• Mort Ransen
• Helen Reddy

S

• Wallis Simpson
• Tony Sirico
• Erlo Stegen

T

• Steve Thompson (rugby union)
• Harrison Ruffin Tyler

W

• Tom Wahman
• Patrick Welch
• Brian Wilson
• Neil Wolfe

Y

• Peg Yorkin