diff --git a/app/admin/responses/page.tsx b/app/admin/responses/page.tsx
index 9d80169..c36814c 100644
--- a/app/admin/responses/page.tsx
+++ b/app/admin/responses/page.tsx
@@ -2,7 +2,7 @@ import { createServerClient } from '@supabase/ssr'
 import { cookies } from 'next/headers'
 import { ResponsesTable, type DisplayRow } from './responses-table'
 import { SurveySelect } from './survey-select'
-import { SignOutButton } from '../sign-out-button'
+import { AdminNavBar } from '@/components/admin-nav-bar'
 import { formatDate, renderValue } from './admin-format'
 
 export const dynamic = 'force-dynamic'
@@ -218,7 +218,9 @@ export default async function AdminResponsesPage({
   })
 
   return (
-    <div className="admin-page" role="main">
+    <>
+      <AdminNavBar active="responses" />
+      <div className="admin-page" role="main">
       <header className="admin-header">
         <div>
           <h1 className="admin-title">Control de respuestas</h1>
@@ -241,8 +243,6 @@ export default async function AdminResponsesPage({
         </div>
         <div className="admin-header-actions">
           <a href="/admin/responses" className="admin-refresh">Actualizar</a>
-          <a href="/admin/usuarios" className="admin-refresh">Usuarios</a>
-          <SignOutButton />
         </div>
       </header>
 
@@ -268,6 +268,7 @@ export default async function AdminResponsesPage({
           )}
         </nav>
       )}
-    </div>
+      </div>
+    </>
   )
 }
diff --git a/app/admin/usuarios/page.tsx b/app/admin/usuarios/page.tsx
index 6755476..2baa1ae 100644
--- a/app/admin/usuarios/page.tsx
+++ b/app/admin/usuarios/page.tsx
@@ -2,7 +2,7 @@ import { createServerClient } from '@supabase/ssr'
 import { cookies } from 'next/headers'
 import { getSupabaseAdmin } from '@/lib/supabase'
 import { formatDate } from '../responses/admin-format'
-import { SignOutButton } from '../sign-out-button'
+import { AdminNavBar } from '@/components/admin-nav-bar'
 import { InviteForm } from './invite-form'
 
 export const dynamic = 'force-dynamic'
@@ -146,16 +146,14 @@ export default async function AdminUsuariosPage() {
   })
 
   return (
-    <div className="admin-page" role="main">
+    <>
+      <AdminNavBar active="usuarios" />
+      <div className="admin-page" role="main">
       <header className="admin-header">
         <div>
           <h1 className="admin-title">Usuarios</h1>
           <p className="admin-subtitle">{userRows.length} usuarios registrados</p>
         </div>
-        <div className="admin-header-actions">
-          <a href="/admin/responses" className="admin-refresh">Respuestas</a>
-          <SignOutButton />
-        </div>
       </header>
 
       <section className="admin-detail-section">
@@ -191,6 +189,7 @@ export default async function AdminUsuariosPage() {
           )}
         </div>
       </section>
-    </div>
+      </div>
+    </>
   )
 }
diff --git a/app/dashboard/page.tsx b/app/dashboard/page.tsx
index 14fa0af..dccdc2e 100644
--- a/app/dashboard/page.tsx
+++ b/app/dashboard/page.tsx
@@ -1,6 +1,7 @@
 'use client'
 import { useState } from 'react'
 import { useSearchParams } from 'next/navigation'
+import { AdminNavBar } from '@/components/admin-nav-bar'
 import { FilterSidebar } from '@/components/dashboard/filter-sidebar'
 import { TalentoRiesgoCard } from '@/components/dashboard/talento-riesgo-card'
 import { PrevalenciaCuidadoresCard } from '@/components/dashboard/prevalencia-cuidadores-card'
@@ -46,7 +47,9 @@ export default function DashboardPage() {
   const [lens, setLens] = useState<Lens>('empresa')
 
   return (
-    <div className="db-page">
+    <>
+      <AdminNavBar active="dashboard" />
+      <div className="db-page">
       <FilterSidebar
         filters={filters}
         onChange={setFilters}
@@ -144,6 +147,7 @@ export default function DashboardPage() {
           />
         )}
       </div>
-    </div>
+      </div>
+    </>
   )
 }
diff --git a/app/globals.css b/app/globals.css
index 89183de..4e1fb75 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -998,6 +998,21 @@ body {
 .db-placeholder-title { font-size: 1rem; font-weight: 600; color: #494F4F; }
 .db-placeholder-hint { font-size: 0.8125rem; max-width: 420px; line-height: 1.5; }
 
+/* ── Nav compartido (dashboard / respuestas / usuarios) ── */
+.admin-nav-bar {
+  display: flex; align-items: center; justify-content: space-between;
+  gap: 16px; padding: 10px 24px; background: var(--color-surface);
+  border-bottom: 1px solid var(--color-border); flex-wrap: wrap;
+}
+.admin-nav { display: flex; gap: 4px; }
+.admin-nav-link {
+  padding: 6px 14px; border-radius: var(--radius); font-size: 0.875rem;
+  font-weight: 600; color: var(--color-text-muted); text-decoration: none;
+  transition: background 0.15s, color 0.15s;
+}
+.admin-nav-link:hover { background: var(--color-primary-light); color: var(--color-text); }
+.admin-nav-link-active { background: var(--color-primary-light); color: var(--color-primary-hover); }
+
 /* ── Admin: control de respuestas (Etapa 3V) ── */
 .admin-page { max-width: 1100px; margin: 0 auto; padding: 24px; }
 .admin-header {
diff --git a/components/admin-nav-bar.tsx b/components/admin-nav-bar.tsx
new file mode 100644
index 0000000..f1a339f
--- /dev/null
+++ b/components/admin-nav-bar.tsx
@@ -0,0 +1,34 @@
+import { SignOutButton } from '@/app/admin/sign-out-button'
+
+interface AdminNavBarProps {
+  active: 'dashboard' | 'responses' | 'usuarios'
+}
+
+const LINKS = [
+  { id: 'dashboard', href: '/dashboard', label: 'Dashboard' },
+  { id: 'responses', href: '/admin/responses', label: 'Respuestas' },
+  { id: 'usuarios', href: '/admin/usuarios', label: 'Usuarios' },
+] as const
+
+// Nav compartido entre /dashboard, /admin/responses y /admin/usuarios — las
+// tres pantallas detrás del login. Sin esto, cada una era una isla y el único
+// modo de llegar a otra era escribir la URL a mano.
+export function AdminNavBar({ active }: AdminNavBarProps) {
+  return (
+    <div className="admin-nav-bar">
+      <nav className="admin-nav" aria-label="Navegación admin">
+        {LINKS.map((link) => (
+          <a
+            key={link.id}
+            href={link.href}
+            className={`admin-nav-link${active === link.id ? ' admin-nav-link-active' : ''}`}
+            aria-current={active === link.id ? 'page' : undefined}
+          >
+            {link.label}
+          </a>
+        ))}
+      </nav>
+      <SignOutButton />
+    </div>
+  )
+}