The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1000's (1 member)
- 1300's (1 member)
- 1301 (1 member)
- 1600's (1 member)
- 1800’s (1 member)
- 1900's (2 members)
- 1904 (1 member)
- 1920 (1 member)
- 1920's (2 members)
- 1925 (1 member)
- 1940's (1 member)
- 1945 (1 member)
- 1980's (3 members)
- 1985 (1 member)
- 1990's (1 member)
- 2020 (1 member)
- ??? (1 member)
- Aaaa (1 member)
- Afghanistanball (1 member)
- Africa (8 members)
- Afrikaans Speaking Countryball (1 member)
- Akuma Removers (1 member)
- Alien Countryball (14 members)
- Alienball (6 members)
- Alientangles (1 member)
- Aléscöball (2 members)
- America (22 members)
- Among Us (4 members)
- Anarchist (5 members)
- Ancient Countryballs (2 members)
- Andaman and Nicobar Islandsball (1 member)
- Andrewverse (2 members)
- Andromeda (1 member)
- Anierica (3 members)
- Aniericaball (3 members)
- Animal Crossing Islands (4 members)
- Animalese Speaking Countryball (6 members)
- Animalese Speaking Countryballs (1 member)
- Animated Films (2 members)
- Animation (7 members)
- Anime (2 members)
- Anschluss (3 members)
- Antarctica (2 members)
- Antarcticaball (1 member)
- Anti Albania (1 member)
- Anti Amazon Company (2 members)
- Anti Argentina (1 member)
- Anti Australia (1 member)
- Anti Azerbaijan (2 members)
- Anti BRICS (1 member)