Population count may refer to:

• A census, the process of obtaining information about every member of a population (not necessarily a human population)
• Hamming weight, the number of non-zero entries ('1' bits) in a byte, string, word, array or other similar data structure

• The Anthology (Deep Purple album)
• The Anthology (Muddy Waters)
• The Anthony Cotton Show
• The Anthrax
• The anthropology of media
• The Anthropophagous Beast
• Theanthropos
• The Anti-Americans
• The Anti-Capitalistic Mentality
• The Anti-Chomsky Reader
• The Anti-Christ
• The Antichrist (album)
• The Anti-Comintern Pact, 1936-37
• The Antidote(album)
• The Antidote (Indo G and Lil' Blunt album)
• The Antidote (Moonspell album)
• The Antidote (Morcheeba album)
• The antidote to panel games
• The Antient and Honourable Edmund Burke Society
• The Anti-Fairies
• The Anti Gravity Room
• The Anti-Group
• The Antikythera Mechanism
• The Anti-Monitor
• The Anti-Nowhere League