diff --git a/src/components/profile/profile-header.test.tsx b/src/components/profile/profile-header.test.tsx
index 99953e3..c282a5e 100644
--- a/src/components/profile/profile-header.test.tsx
+++ b/src/components/profile/profile-header.test.tsx
@@ -59,6 +59,7 @@ function createProfile(overrides?: Partial<UserProfile>): UserProfile {
     atprotoPostsCount: 0,
     hasBlueskyProfile: false,
     communityCount: 1,
+    labels: [],
     activity: {
       topicCount: 0,
       replyCount: 0,
@@ -286,4 +287,21 @@ describe('ProfileHeader', () => {
       expect(screen.queryByRole('link', { name: /edit profile/i })).not.toBeInTheDocument()
     })
   })
+
+  it('renders labels section when labels are present', () => {
+    render(
+      <ProfileHeader
+        profile={createProfile({
+          labels: [{ val: 'adult-content', src: 'did:plc:test-user', isSelfLabel: true }],
+        })}
+        {...defaultProps}
+      />
+    )
+    expect(screen.getByText('adult-content')).toBeInTheDocument()
+  })
+
+  it('does not render labels section when labels are empty', () => {
+    render(<ProfileHeader profile={createProfile({ labels: [] })} {...defaultProps} />)
+    expect(screen.queryByText('adult-content')).not.toBeInTheDocument()
+  })
 })
diff --git a/src/components/profile/profile-header.tsx b/src/components/profile/profile-header.tsx
index 61b20d9..3e84e82 100644
--- a/src/components/profile/profile-header.tsx
+++ b/src/components/profile/profile-header.tsx
@@ -23,6 +23,7 @@ import { ReputationBadge } from '@/components/reputation-badge'
 import { BlockMuteButton } from '@/components/block-mute-button'
 import { ProfileStats } from '@/components/profile/profile-stats'
 import { formatBio } from '@/lib/format-bio'
+import { ProfileLabels } from '@/components/profile/profile-labels'
 import { formatCount } from '@/lib/format-count'
 import type { UserProfile } from '@/lib/api/types'
 
@@ -100,6 +101,9 @@ export function ProfileHeader({
               )}
             </div>
 
+            {/* AT Protocol labels */}
+            {profile.labels.length > 0 && <ProfileLabels labels={profile.labels} />}
+
             {/* Bio */}
             {profile.bio && (
               <div
diff --git a/src/components/profile/profile-labels.test.tsx b/src/components/profile/profile-labels.test.tsx
new file mode 100644
index 0000000..31a6722
--- /dev/null
+++ b/src/components/profile/profile-labels.test.tsx
@@ -0,0 +1,83 @@
+import { describe, it, expect } from 'vitest'
+import { render, screen } from '@testing-library/react'
+import { ProfileLabels } from './profile-labels'
+
+describe('ProfileLabels', () => {
+  it('returns null when labels array is empty', () => {
+    const { container } = render(<ProfileLabels labels={[]} />)
+    expect(container.firstChild).toBeNull()
+  })
+
+  it('renders a self-label with neutral styling', () => {
+    render(
+      <ProfileLabels labels={[{ val: 'adult-content', src: 'did:plc:user1', isSelfLabel: true }]} />
+    )
+
+    const pill = screen.getByText('adult-content')
+    expect(pill).toBeInTheDocument()
+    expect(pill.className).toContain('bg-muted')
+    expect(pill.className).toContain('text-muted-foreground')
+  })
+
+  it('renders a self-label with warning styling for known warning values', () => {
+    render(<ProfileLabels labels={[{ val: 'porn', src: 'did:plc:user1', isSelfLabel: true }]} />)
+
+    const pill = screen.getByText('porn')
+    expect(pill).toBeInTheDocument()
+    expect(pill.className).toMatch(/bg-\[var\(--orange-3\)\]/)
+    expect(pill.className).toMatch(/text-\[var\(--orange-11\)\]/)
+  })
+
+  it('renders a moderator label with ShieldCheck icon', () => {
+    render(
+      <ProfileLabels
+        labels={[{ val: 'verified', src: 'did:plc:mod-service', isSelfLabel: false }]}
+      />
+    )
+
+    const pill = screen.getByText('verified')
+    expect(pill).toBeInTheDocument()
+    expect(pill.className).toMatch(/bg-\[var\(--purple-3\)\]/)
+    expect(pill.className).toMatch(/text-\[var\(--purple-11\)\]/)
+    const icon = pill.querySelector('svg')
+    expect(icon).toBeInTheDocument()
+  })
+
+  it('renders a moderator warning label with ShieldWarning icon', () => {
+    render(
+      <ProfileLabels
+        labels={[{ val: 'impersonation', src: 'did:plc:mod-service', isSelfLabel: false }]}
+      />
+    )
+
+    const pill = screen.getByText('impersonation')
+    expect(pill).toBeInTheDocument()
+    expect(pill.className).toMatch(/bg-\[var\(--red-3\)\]/)
+    expect(pill.className).toMatch(/text-\[var\(--red-11\)\]/)
+    const icon = pill.querySelector('svg')
+    expect(icon).toBeInTheDocument()
+  })
+
+  it('strips ! prefix from display text', () => {
+    render(
+      <ProfileLabels labels={[{ val: '!warn', src: 'did:plc:mod-service', isSelfLabel: false }]} />
+    )
+
+    expect(screen.getByText('warn')).toBeInTheDocument()
+    expect(screen.queryByText('!warn')).not.toBeInTheDocument()
+  })
+
+  it('renders multiple labels', () => {
+    render(
+      <ProfileLabels
+        labels={[
+          { val: 'adult-content', src: 'did:plc:user1', isSelfLabel: true },
+          { val: '!warn', src: 'did:plc:mod', isSelfLabel: false },
+        ]}
+      />
+    )
+
+    expect(screen.getByText('adult-content')).toBeInTheDocument()
+    expect(screen.getByText('warn')).toBeInTheDocument()
+  })
+})
diff --git a/src/components/profile/profile-labels.tsx b/src/components/profile/profile-labels.tsx
new file mode 100644
index 0000000..ab66aac
--- /dev/null
+++ b/src/components/profile/profile-labels.tsx
@@ -0,0 +1,71 @@
+import { ShieldCheck, ShieldWarning } from '@phosphor-icons/react'
+import { cn } from '@/lib/utils'
+
+interface ProfileLabelsProps {
+  labels: Array<{
+    val: string
+    src: string
+    isSelfLabel: boolean
+  }>
+}
+
+const WARNING_LABELS = new Set([
+  '!warn',
+  '!hide',
+  '!no-unauthenticated',
+  'porn',
+  'sexual',
+  'nudity',
+  'gore',
+  'impersonation',
+])
+
+function isWarningLabel(val: string): boolean {
+  return val.startsWith('!') || WARNING_LABELS.has(val)
+}
+
+export function ProfileLabels({ labels }: ProfileLabelsProps) {
+  if (labels.length === 0) {
+    return null
+  }
+
+  return (
+    <div className="mt-1 flex flex-wrap gap-1.5">
+      {labels.map((label) => {
+        const isWarning = isWarningLabel(label.val)
+        const displayText = label.val.startsWith('!') ? label.val.slice(1) : label.val
+
+        let pillClasses: string
+        let icon: React.ReactNode = null
+
+        if (label.isSelfLabel) {
+          pillClasses = isWarning
+            ? 'bg-[var(--orange-3)] text-[var(--orange-11)]'
+            : 'bg-muted text-muted-foreground'
+        } else {
+          pillClasses = isWarning
+            ? 'bg-[var(--red-3)] text-[var(--red-11)]'
+            : 'bg-[var(--purple-3)] text-[var(--purple-11)]'
+          icon = isWarning ? (
+            <ShieldWarning size={12} aria-hidden="true" />
+          ) : (
+            <ShieldCheck size={12} aria-hidden="true" />
+          )
+        }
+
+        return (
+          <span
+            key={`${label.src}-${label.val}`}
+            className={cn(
+              'inline-flex items-center gap-1 rounded-full px-2 py-0.5 text-xs font-medium',
+              pillClasses
+            )}
+          >
+            {icon}
+            {displayText}
+          </span>
+        )
+      })}
+    </div>
+  )
+}
diff --git a/src/lib/api/types.ts b/src/lib/api/types.ts
index 69b04d8..11649b3 100644
--- a/src/lib/api/types.ts
+++ b/src/lib/api/types.ts
@@ -573,6 +573,11 @@ export interface UserProfile {
   atprotoPostsCount: number
   hasBlueskyProfile: boolean
   communityCount: number
+  labels: Array<{
+    val: string
+    src: string
+    isSelfLabel: boolean
+  }>
   activity: {
     topicCount: number
     replyCount: number
diff --git a/src/mocks/data.ts b/src/mocks/data.ts
index 3537fa9..a85c141 100644
--- a/src/mocks/data.ts
+++ b/src/mocks/data.ts
@@ -1041,6 +1041,7 @@ export const mockUserProfiles: Record<string, UserProfile> = {
     atprotoPostsCount: 230,
     hasBlueskyProfile: true,
     communityCount: 2,
+    labels: [{ val: 'adult-content', src: 'did:plc:user-alice-001', isSelfLabel: true }],
     activity: {
       topicCount: 15,
       replyCount: 42,
@@ -1069,6 +1070,7 @@ export const mockUserProfiles: Record<string, UserProfile> = {
     atprotoPostsCount: 45,
     hasBlueskyProfile: true,
     communityCount: 1,
+    labels: [],
     activity: {
       topicCount: 8,
       replyCount: 31,