• Wikipedia categories named after animal welfare and rights organizations‎ (3 C)

A

• Aga Khan Development Network‎ (4 C, 48 P)
• Alfred P. Sloan Foundation‎ (3 C, 10 P)
• American Civil Liberties Union‎ (2 C, 13 P)
• American Lung Association‎ (9 P)
• Amnesty International‎ (2 C, 62 P, 1 F)

B

• British Council‎ (2 C, 18 P)

C

• Caritas Hong Kong‎ (7 P)
• Caritas Internationalis‎ (1 C, 27 P)
• Chan Zuckerberg Initiative‎ (2 P)
• Chatham House‎ (3 C, 2 P)
• Children in Need‎ (1 C, 28 P)
• CIDSE‎ (8 P)
• Comic Relief‎ (4 C, 40 P)
• Covenant House‎ (4 P)

F

• Fondo Ambiente Italiano‎ (6 P)
• Francis Crick Institute‎ (2 C, 2 P)

G

• Bill & Melinda Gates Foundation‎ (1 C, 14 P)

H

• Historic Royal Palaces‎ (1 C, 8 P)
• Human Rights Watch‎ (1 C, 13 P)
• Humble Bundle‎ (1 C, 3 P)

I

• International Red Cross and Red Crescent Movement‎ (4 C, 56 P)
• Invisible Children‎ (12 P, 2 F)

L

• Landmark Trust‎ (2 C, 6 P)
• Lok Sin Tong‎ (4 P)
• Long Now Foundation‎ (4 P)

M

• Meadows Foundation (New Jersey)‎ (7 P)
• Médecins Sans Frontières‎ (34 P)
• Andrew W. Mellon Foundation‎ (16 P)
• Morden College‎ (12 P)

N

• NAACP‎ (6 C, 33 P)
• National Coastwatch Institution‎ (5 P)
• National League of POW/MIA Families‎ (5 P)
• National Life Stories‎ (1 C, 2 P)
• National Trust‎ (5 C, 10 P)

O

• O'Reilly Foundation‎ (11 P)
• One Laptop per Child‎ (14 P)
• Oxfam‎ (1 C, 10 P, 1 F)

P

• People for the American Way‎ (1 C, 2 P)
• The Pew Charitable Trusts‎ (1 C, 4 P)
• Po Leung Kuk‎ (17 P)
• The Prince's Charities‎ (1 C, 12 P)

R

• Rockefeller Foundation‎ (1 C, 25 P)
• Royal Flying Doctor Service of Australia‎ (1 C, 7 P)
• Royal National Lifeboat Institution‎ (6 C, 48 P)
• Royal Philharmonic Society‎ (4 C, 9 P)
• Royal Society of Musicians‎ (1 C, 1 P)
• Royal Society of Portrait Painters‎ (23 P)

S

• The Salvation Army‎ (6 C, 47 P, 4 F)
• Save the Children‎ (22 P)
• Southern Poverty Law Center‎ (14 P)
• St John Ambulance‎ (31 P)

T

• The Prince's Trust‎ (7 P)

U

• UNESCO‎ (12 C, 189 P, 1 F)
• UNICEF‎ (1 C, 51 P)
• United Nations Youth Associations Network‎ (7 P)

W

• Wellcome Trust‎ (2 C, 83 P)
• Wildfowl & Wetlands Trust‎ (1 C, 4 P)
• World Federation of United Nations Associations‎ (30 P)
• World Wide Fund for Nature‎ (1 C, 30 P)

Y

• YMCA‎ (5 C, 39 P)
• YWCA‎ (2 C, 16 P)