diff --git a/bun.lock b/bun.lock
index c67ae89..a1475ad 100644
--- a/bun.lock
+++ b/bun.lock
@@ -41,6 +41,7 @@
         "@radix-ui/react-tooltip": "^1.2.8",
         "@tailwindcss/vite": "^4.1.18",
         "@tanstack/react-query": "^5.90.20",
+        "boring-avatars": "^2.0.4",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "cmdk": "^1.1.1",
@@ -719,6 +720,8 @@
 
     "blakejs": ["blakejs@1.2.1", "", {}, "sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ=="],
 
+    "boring-avatars": ["boring-avatars@2.0.4", "", { "peerDependencies": { "react": ">=18.0.0", "react-dom": ">=18.0.0" } }, "sha512-xhZO/w/6aFmRfkaWohcl2NfyIy87gK5SBbys8kctZeTGF1Apjpv/10pfUuv+YEfVPkESU/h2Y6tt/Dwp+bIZPw=="],
+
     "bottleneck": ["bottleneck@2.19.5", "", {}, "sha512-VHiNCbI1lKdl44tGrhNfU3lup0Tj/ZBMJB5/2ZbNXRCPuRCO7ed2mgcK4r17y+KB2EfuYuRaVlwNbAeaWGSpbw=="],
 
     "braces": ["braces@3.0.3", "", { "dependencies": { "fill-range": "^7.1.1" } }, "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA=="],
diff --git a/package.json b/package.json
index a29fa9c..52258db 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,7 @@
     "@radix-ui/react-tooltip": "^1.2.8",
     "@tailwindcss/vite": "^4.1.18",
     "@tanstack/react-query": "^5.90.20",
+    "boring-avatars": "^2.0.4",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
diff --git a/src/components/account-avatar.tsx b/src/components/account-avatar.tsx
new file mode 100644
index 0000000..bb370cd
--- /dev/null
+++ b/src/components/account-avatar.tsx
@@ -0,0 +1,58 @@
+import BoringAvatar from 'boring-avatars'
+import { EyeIcon } from 'lucide-react'
+import { cn } from '@/lib/utils'
+
+const ACCOUNT_AVATAR_COLORS = [
+  '#1ADEF5',
+  '#03C1DB',
+  '#61F0FE',
+  '#0C131B',
+  '#152A38',
+  '#47CD89',
+  '#FABC3C',
+]
+
+const SIZE_STYLES = {
+  xs: { className: 'h-6 w-6', pixelSize: 24 },
+  sm: { className: 'h-8 w-8', pixelSize: 32 },
+  md: { className: 'h-10 w-10', pixelSize: 40 },
+  lg: { className: 'h-12 w-12', pixelSize: 48 },
+} as const
+
+type AccountAvatarProps = {
+  identity: string
+  name?: string
+  watchOnly?: boolean
+  size?: keyof typeof SIZE_STYLES
+  className?: string
+}
+
+const AccountAvatar = ({
+  identity,
+  name,
+  watchOnly = false,
+  size = 'md',
+  className,
+}: AccountAvatarProps) => {
+  const { className: sizeClassName, pixelSize } = SIZE_STYLES[size]
+  const avatarName = name?.trim() ? `${name}-${identity}` : identity
+
+  return (
+    <div className={cn('relative shrink-0', sizeClassName, className)}>
+      <BoringAvatar
+        size={pixelSize}
+        name={avatarName}
+        variant="marble"
+        colors={ACCOUNT_AVATAR_COLORS}
+        className="h-full w-full rounded-full border border-border/60 bg-card"
+      />
+      {watchOnly && (
+        <span className="absolute -right-0.5 -bottom-0.5 flex h-3.5 w-3.5 items-center justify-center rounded-full border border-background bg-card text-muted-foreground">
+          <EyeIcon className="h-2.5 w-2.5" />
+        </span>
+      )}
+    </div>
+  )
+}
+
+export default AccountAvatar
diff --git a/src/components/app-header.tsx b/src/components/app-header.tsx
index 5467289..2c1ba69 100644
--- a/src/components/app-header.tsx
+++ b/src/components/app-header.tsx
@@ -1,12 +1,5 @@
-import {
-  CopyIcon,
-  EyeIcon,
-  XIcon,
-  PanelRightOpenIcon,
-  PlusIcon,
-  UsersIcon,
-  WalletIcon,
-} from 'lucide-react'
+import { CopyIcon, EyeIcon, XIcon, PanelRightOpenIcon, PlusIcon, UsersIcon } from 'lucide-react'
+import AccountAvatar from '@/components/account-avatar'
 import { Button } from '@/components/ui/button'
 import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/popover'
 import { truncateString } from '@/lib/utils'
@@ -59,6 +52,10 @@ const AppHeader = ({
     Array<{ name: string; identity: string; watchOnly?: boolean }>
   >([])
   const [isMenuOpen, setIsMenuOpen] = useState(false)
+  const activeAccount = useMemo(
+    () => accounts.find((account) => account.identity === identity),
+    [accounts, identity],
+  )
 
   const refreshAccounts = useCallback(() => {
     const nextAccountName =
@@ -160,9 +157,12 @@ const AppHeader = ({
               className="flex min-w-0 items-center gap-3 text-left"
               aria-label={t('home.accounts.selectLabel')}
             >
-              <div className="flex h-10 w-10 items-center justify-center rounded-md border border-border/60 bg-card">
-                <WalletIcon className="h-5 w-5 text-primary" />
-              </div>
+              <AccountAvatar
+                identity={identity}
+                name={accountName}
+                watchOnly={activeAccount?.watchOnly}
+                size="md"
+              />
               <div className="flex min-w-0 flex-col">
                 <span className="truncate text-sm font-semibold text-foreground">
                   {accountName}
@@ -212,10 +212,17 @@ const AppHeader = ({
                       key={account.identity}
                       type="button"
                       onClick={() => handleSelectAccount(account)}
-                      className={`flex w-full items-center rounded-md px-2 py-2 text-left text-sm transition hover:bg-muted/30 ${
+                      className={`flex w-full items-center gap-3 rounded-md px-2 py-2 text-left text-sm transition hover:bg-muted/30 ${
                         account.identity === identity ? 'bg-muted/20' : ''
                       }`}
                     >
+                      <AccountAvatar
+                        identity={account.identity}
+                        name={account.name}
+                        watchOnly={account.watchOnly}
+                        size="sm"
+                        className="mr-3"
+                      />
                       <div className="min-w-0 flex-1">
                         <div className="flex items-center gap-2">
                           <span className="truncate font-medium text-foreground">
diff --git a/src/components/dapp/dapp-approval-drawer.tsx b/src/components/dapp/dapp-approval-drawer.tsx
index 0931c89..89a61a9 100644
--- a/src/components/dapp/dapp-approval-drawer.tsx
+++ b/src/components/dapp/dapp-approval-drawer.tsx
@@ -2,6 +2,7 @@ import { useCallback, useEffect, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { useLocation } from 'react-router-dom'
 import { ChevronDownIcon, ChevronUpIcon, GlobeIcon, Link2OffIcon, LinkIcon } from 'lucide-react'
+import AccountAvatar from '@/components/account-avatar'
 import { Button } from '@/components/ui/button'
 import {
   Drawer,
@@ -282,12 +283,21 @@ const DappApprovalDrawer = () => {
                 <p className="text-[11px] uppercase tracking-wide text-muted-foreground">
                   {t('dapp.approval.sharedAccount')}
                 </p>
-                <p className="truncate text-sm font-medium text-foreground">
-                  {connectSummary.accountName || t('dapp.approval.sharedAccountFallback')}
-                </p>
-                <p className="truncate font-mono text-xs text-muted-foreground">
-                  {truncateString(connectSummary.accountIdentity)}
-                </p>
+                <div className="mt-2 flex items-center gap-3">
+                  <AccountAvatar
+                    identity={connectSummary.accountIdentity}
+                    name={connectSummary.accountName}
+                    size="md"
+                  />
+                  <div className="min-w-0">
+                    <p className="truncate text-sm font-medium text-foreground">
+                      {connectSummary.accountName || t('dapp.approval.sharedAccountFallback')}
+                    </p>
+                    <p className="truncate font-mono text-xs text-muted-foreground">
+                      {truncateString(connectSummary.accountIdentity)}
+                    </p>
+                  </div>
+                </div>
               </div>
             )}
             {current.method === 'signMessage' && (
@@ -371,15 +381,25 @@ const DappApprovalDrawer = () => {
               )}
             {isWatchOnlySigningRequest && accountSummary && (
               <div className="rounded-xl border border-amber-500/30 bg-amber-500/10 p-3">
-                <p className="text-sm font-medium text-foreground">
-                  {t('dapp.approval.watchOnlyTitle')}
-                </p>
-                <p className="mt-1 text-sm text-muted-foreground">
-                  {t('dapp.approval.watchOnlyDescription', {
-                    accountName:
-                      accountSummary.accountName || t('dapp.approval.sharedAccountFallback'),
-                  })}
-                </p>
+                <div className="flex items-center gap-3">
+                  <AccountAvatar
+                    identity={accountSummary.accountIdentity}
+                    name={accountSummary.accountName}
+                    watchOnly={accountSummary.accountWatchOnly}
+                    size="md"
+                  />
+                  <div className="min-w-0">
+                    <p className="text-sm font-medium text-foreground">
+                      {t('dapp.approval.watchOnlyTitle')}
+                    </p>
+                    <p className="mt-1 text-sm text-muted-foreground">
+                      {t('dapp.approval.watchOnlyDescription', {
+                        accountName:
+                          accountSummary.accountName || t('dapp.approval.sharedAccountFallback'),
+                      })}
+                    </p>
+                  </div>
+                </div>
               </div>
             )}
             {requiresPassphrase && !isWatchOnlySigningRequest && (
diff --git a/src/components/pages/manage-accounts/account-list-item.tsx b/src/components/pages/manage-accounts/account-list-item.tsx
index 763a269..e4afdd1 100644
--- a/src/components/pages/manage-accounts/account-list-item.tsx
+++ b/src/components/pages/manage-accounts/account-list-item.tsx
@@ -8,6 +8,7 @@ import {
   TrashIcon,
 } from 'lucide-react'
 import { useTranslation } from 'react-i18next'
+import AccountAvatar from '@/components/account-avatar'
 import { Button } from '@/components/ui/button'
 import {
   DropdownMenu,
@@ -76,6 +77,12 @@ const AccountListItem = ({
       } ${isDragging ? 'opacity-60' : ''}`}
     >
       <div className="flex min-w-0 items-center gap-2">
+        <AccountAvatar
+          identity={account.identity}
+          name={account.name}
+          watchOnly={account.watchOnly}
+          size="sm"
+        />
         <div className="min-w-0">
           <div className="flex items-center gap-2">
             <span className="truncate text-sm font-semibold text-foreground">{account.name}</span>