diff --git a/database/migration_002_profile_url.sql b/database/migration_002_profile_url.sql
new file mode 100644
index 0000000..b9b4421
--- /dev/null
+++ b/database/migration_002_profile_url.sql
@@ -0,0 +1 @@
+ALTER TABLE user_profiles ADD COLUMN IF NOT EXISTS profile_url TEXT NOT NULL DEFAULT '';
diff --git a/public/index.php b/public/index.php
index 9a61996..fb052bb 100644
--- a/public/index.php
+++ b/public/index.php
@@ -1775,6 +1775,10 @@ switch ($action) {
         $profileSuccess = false;
         if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $newName = trim($_POST['display_name'] ?? '');
+            $newUrl  = trim($_POST['profile_url'] ?? '');
+            if ($newUrl !== '' && !filter_var($newUrl, FILTER_VALIDATE_URL)) {
+                $newUrl = '';
+            }
             if ($newName === '') {
                 $profileError = 'Le nom ne peut pas être vide.';
             } else {
@@ -1782,11 +1786,11 @@ switch ($action) {
                 if ($pdo) {
                     try {
                         $st = $pdo->prepare(
-                            'INSERT INTO user_profiles (email, display_name, updated_at)
-                             VALUES (:e, :n, now())
-                             ON CONFLICT (email) DO UPDATE SET display_name = :n, updated_at = now()'
+                            'INSERT INTO user_profiles (email, display_name, profile_url, updated_at)
+                             VALUES (:e, :n, :u, now())
+                             ON CONFLICT (email) DO UPDATE SET display_name = :n, profile_url = :u, updated_at = now()'
                         );
-                        $st->execute([':e' => currentUserEmail(), ':n' => $newName]);
+                        $st->execute([':e' => currentUserEmail(), ':n' => $newName, ':u' => $newUrl]);
                         $_SESSION['user_display_name'] = $newName;
                         $profileSuccess = true;
                     } catch (\Throwable $ex) {
@@ -1796,6 +1800,7 @@ switch ($action) {
             }
         }
         $profileCurrentName = currentUserName();
+        $profileCurrentUrl  = authorProfileUrl(currentUserEmail() ?? '');
         include BASE_PATH . '/templates/profile.php';
         break;
 
diff --git a/src/auth.php b/src/auth.php
index bf9c99a..97a39ed 100644
--- a/src/auth.php
+++ b/src/auth.php
@@ -35,11 +35,21 @@ function currentUserName(): string
 }
 
 function authorDisplayName(string $email): string
+{
+    return authorProfile($email)['name'];
+}
+
+function authorProfileUrl(string $email): string
+{
+    return authorProfile($email)['url'];
+}
+
+function authorProfile(string $email): array
 {
     static $cache = [];
     $key = strtolower(trim($email));
     if ($key === '') {
-        return '';
+        return ['name' => '', 'url' => ''];
     }
     if (array_key_exists($key, $cache)) {
         return $cache[$key];
@@ -47,15 +57,20 @@ function authorDisplayName(string $email): string
     $pdo = dbPdo();
     if ($pdo) {
         try {
-            $st = $pdo->prepare('SELECT display_name FROM user_profiles WHERE email = :e');
+            $st = $pdo->prepare('SELECT display_name, profile_url FROM user_profiles WHERE email = :e');
             $st->execute([':e' => $key]);
-            $name = $st->fetchColumn();
-            $cache[$key] = ($name !== false && $name !== '') ? $name : explode('@', $key)[0];
-            return $cache[$key];
+            $row = $st->fetch(PDO::FETCH_ASSOC);
+            if ($row) {
+                $cache[$key] = [
+                    'name' => ($row['display_name'] !== '') ? $row['display_name'] : explode('@', $key)[0],
+                    'url'  => $row['profile_url'] ?? '',
+                ];
+                return $cache[$key];
+            }
         } catch (\Throwable) {
         }
     }
-    $cache[$key] = explode('@', $key)[0];
+    $cache[$key] = ['name' => explode('@', $key)[0], 'url' => ''];
     return $cache[$key];
 }
 
diff --git a/templates/layout.php b/templates/layout.php
index d7e7d4f..b3f319e 100644
--- a/templates/layout.php
+++ b/templates/layout.php
@@ -28,7 +28,9 @@
     <?php if (!empty($articlePublishedAt ?? '')): ?>
     <meta property="article:published_time" content="<?= htmlspecialchars(date('c', strtotime((string)$articlePublishedAt))) ?>">
     <?php endif; ?>
-    <?php if (!empty($metaAuthor ?? '')): ?>
+    <?php if (!empty($metaAuthorUrl ?? '')): ?>
+    <meta property="article:author" content="<?= htmlspecialchars($metaAuthorUrl) ?>">
+    <?php elseif (!empty($metaAuthor ?? '')): ?>
     <meta property="article:author" content="<?= htmlspecialchars($metaAuthor) ?>">
     <?php endif; ?>
 
diff --git a/templates/post_view.php b/templates/post_view.php
index 4ec505a..0e6493d 100644
--- a/templates/post_view.php
+++ b/templates/post_view.php
@@ -43,8 +43,9 @@ $externalLinks  = $article['external_links'] ?? [];
         <div class="private-ribbon">Privé</div>
     <?php endif; ?>
     <?php
-    $authorEmail    = $article['author'] ?? '';
-$authorName     = ($authorEmail !== '' && function_exists('authorDisplayName')) ? authorDisplayName($authorEmail) : '';
+    $authorEmail      = $article['author'] ?? '';
+$authorName       = ($authorEmail !== '' && function_exists('authorDisplayName')) ? authorDisplayName($authorEmail) : '';
+$authorProfileUrl = ($authorEmail !== '' && function_exists('authorProfileUrl')) ? authorProfileUrl($authorEmail) : '';
 $pubDate        = htmlspecialchars(date('d/m/Y', strtotime((string)($article['published_at'] ?? $article['created_at'] ?? ''))));
 $hasCover       = $coverFile !== '';
 $heroExtraClass = $hasCover ? '' : ' article-cover--gradient';
@@ -281,8 +282,9 @@ if ($ogImage === null || $ogImage === '') {
     $ogImage = $article['og_image'] ?? '';
 }
 
-// Auteur : nom affiché résolu depuis le champ author du JSON de l'article
-$metaAuthor = $authorName;
+// Auteur : nom et URL de profil résolus depuis le champ author du JSON de l'article
+$metaAuthor      = $authorName;
+$metaAuthorUrl   = $authorProfileUrl;
 
 // JSON-LD Article
 $jsonLdData = [
@@ -293,7 +295,11 @@ $jsonLdData = [
     'url'      => $canonical,
     'datePublished' => date('c', strtotime((string)$articlePublishedAt)),
     'dateModified'  => date('c', strtotime((string)($article['updated_at'] ?? $articlePublishedAt))),
-    'author'   => ['@type' => 'Person', 'name' => $metaAuthor !== '' ? $metaAuthor : (siteAuthor() !== '' ? siteAuthor() : siteTitle())],
+    'author'   => array_filter([
+        '@type' => 'Person',
+        'name'  => $metaAuthor !== '' ? $metaAuthor : (siteAuthor() !== '' ? siteAuthor() : siteTitle()),
+        'url'   => $metaAuthorUrl !== '' ? $metaAuthorUrl : null,
+    ]),
     'publisher' => [
         '@type' => 'Person',
         'name'  => siteAuthor() !== '' ? siteAuthor() : siteTitle(),
diff --git a/templates/profile.php b/templates/profile.php
index bd749ab..4da7669 100644
--- a/templates/profile.php
+++ b/templates/profile.php
@@ -24,6 +24,14 @@
                                placeholder="Prénom Nom" required>
                         <div class="form-text">Affiché comme auteur sur vos articles.</div>
                     </div>
+                    <div class="mb-3">
+                        <label class="form-label fw-semibold" for="profile_url">URL de profil</label>
+                        <input type="url" id="profile_url" name="profile_url"
+                               class="form-control"
+                               value="<?= htmlspecialchars($profileCurrentUrl) ?>"
+                               placeholder="https://example.com/~vous">
+                        <div class="form-text">Utilisée dans les métadonnées de vos articles (article:author, JSON-LD).</div>
+                    </div>
                     <div class="mb-3">
                         <label class="form-label fw-semibold text-muted">Email</label>
                         <input type="text" class="form-control" value="<?= htmlspecialchars(currentUserEmail() ?? '') ?>" disabled>