A  zathoth - Z  oth-Ommog
A
- ABHOLOS
  * Robin Laws - Devourers In The Mist, 2008 (RPG)
- ABHOTH
  Spawn of Abhoth
  * Clark Ashton Smith - The Seven Geases, 1934 (Short Story)
- ADUMBRALI
  * Robert A. W. Lowndes - The Abyss, 1941 (Short Story)
- AFORGOMON
  * Clark Ashton Smith - The Chain Of Aforgomon, 1935 (Short Story)
- AHTU
  * David Drake - Than Curse The Darkness, 1980 (Short Story)
- AIHAI
  * Clark Ashton Smith - The Dweller In The Gulf, 1933 (Short Story)
- AKU-SHIN KAGE
  * Michael Dziesinski - Secrets Of Japan, 2005 (RPG)
- ALIEN
- ALSKALI
  * Bob Gallagher - Pursuit To Kadath, 1983 (RPG)
- AMMUTSEBA
  * Ann K. 'Anhk' Schwader - Lost Stars, 2003 (Short Story)
- ANCIENT ONE
  * Howard Phillips Lovecraft & William Lumley - The Diary Of Alonzo Typer, 1938 (Short Story)
- ANIMICULI
  * Charles Engan & Janyce Engan - Beyond The Mountains Of Madness, 1999 (RPG)
- APHOOM ZHAH
  * Lin Carter - The Acolyte Of The Flame, 1985 (Short Story)
- ARIEL
  * Lin Carter - The Acolyte Of The Flame, 1985 (Short Story)
- ARWASSA
  * Robert McNair Price - Saucers From Yaddith, 1984 (Short Story)
- ATLACH-NACHA
  Daughter of Atlach-Nacha
  Spawn of Atlach-Nacha
  * Clark Ashton Smith - The Seven Geases, 1934 (Short Story)
- AVHRIL
  * John Wick - Digging For A Dead God, 2009 (RPG)
- AZATHOTH
  * Howard Phillips Lovecraft - Azathoth, 1931 (Short Story)