Azure, a fool's cap Or. Catherine the Merry (5/1993 Trim)
Azure, a jester's hat lozengy gules and Or and a chief Or. Casamira Jawjalny (3/1987 Aten)
Azure, on a bend sinister wavy between a cat sejant guardant and a fool's cap Or, three hens palewise azure. Catherine the Merry (8/1992 Trim)
(Fieldless) A dove displayed upon a billet chequy Or and gules between a pair of cockatrices clad in motley like a fool's, their feathers are dimidiated with a tree eradicated, limbed and fructed countercompony. Baldwin of Erebor (4/1980 Aten)
(Fieldless) A fool's cap per pale gules and sable. Michael Oldcastle of Ravenspur (12/1996 Atla)
(Fieldless) A jester's hood gules, doubled and belled Or. Bjornsborg, Barony of (8/1994 Anst)
(Fieldless) A sun Or charged with a fool's cap per pale gules and vert. Alaric the Fool (3/1996 Outl)
Gyronny of six per pale gules and argent, a fool's hood of two ears affronty sable. Tamar of Highmoor (3/1990 Aten)
Gyronny of twelve gules and argent, in pale a fool's cap purpure and a laurel wreath vert. Narrental, Shire of (12/1992 Midd)
Gyronny sable and vert, a fool's cap argent. Sionyn Muirgen ni Dhomnall (7/1988 Meri)
Or, a fox rampant gules wearing a fool's cap vert, in chief three golpes one and two all within a bordure dovetailed gules. Anna Zauberkünstlerin (10/1992 Aten)
Or, a jester's belled hood affronty gules between in fess a mask of comedy and a mask of tragedy azure. Axed Root, Canton of (8/1985 Calo)
Per bend sinister gules and sable, a fool's cap and a Latin cross argent. Edward Blythe of Nottinghamshire (8/1994 Calo)
Per chevron throughout, argent ermined gules, and sable, two mullets of six points sable, and a fool's hat, points embowed, Or. Jotham Wechsler (12/1985 Aten)
Per fess argent and sable, a fool's cap per pale gules and vert, and a sun Or. Alaric the Fool (4/1995 Outl)
Per fess gules and argent, a jester's hood argent, semy of lozenges sable, and a round brazier sable, filled with flames gules. Tamar of Highmoor (5/1989 Aten)
Per pale and per chevron vert and Or, a fool's head affronty proper capped and collared sable within a bordure counterchanged. Vergil William de Comyn (7/1992 AnTi)
Per pale azure and argent, a jester's belled hood of two ears affronty counterchanged. Alfredo el Bufón (7/1985 East)
Sable, a greyhound's skull bendwise sinister argent, wearing a fool's cap of two points particoloured gules and Or, belled argent. Rebecca of Twywn, called the Demanding (4/1989 Meri)