diff --git a/workloads/commerce-backend/src/api/admin/product-import/route.ts b/workloads/commerce-backend/src/api/admin/product-import/route.ts
index 8ebd923..583cb07 100644
--- a/workloads/commerce-backend/src/api/admin/product-import/route.ts
+++ b/workloads/commerce-backend/src/api/admin/product-import/route.ts
@@ -115,6 +115,15 @@ function normalizeTitleForMatch(title: string): string {
     .toLowerCase();
 }
 
+// Categorias/colecciones: ademas de lo anterior, ignora tildes y eñes
+// ("Figuras de accion" == "Figuras de acción"). Desde 2026-09-27 los
+// nombres reales en Medusa llevan tildes; sin esto, un CSV escrito sin
+// tildes (o viejo) crearia una categoria DUPLICADA en vez de reusar la
+// existente. Los titulos de producto siguen con normalizeTitleForMatch.
+function normalizeNameForMatch(name: string): string {
+  return normalizeTitleForMatch(name).normalize("NFD").replace(/[\u0300-\u036f]/g, "");
+}
+
 function slugify(title: string, uniquePart: string): string {
   const base = title
     .normalize("NFD")
@@ -166,7 +175,7 @@ export async function GET(req: MedusaRequest, res: MedusaResponse) {
   // ofrece descargar y lo que realmente se procesa.
   const header = "titulo,descripcion,precio,categoria,coleccion,cantidad,fotos";
   const example =
-    '"Muñeco Buzz Lightyear","Figura articulada de 30cm, edición coleccionista.",89900,"Figuras de accion","Toy Story",3,"https://ejemplo.com/foto1.jpg;https://ejemplo.com/foto2.jpg"';
+    '"Muñeco Buzz Lightyear","Figura articulada de 30cm, edición coleccionista.",89900,"Figuras de acción","Toy Story",3,"https://ejemplo.com/foto1.jpg;https://ejemplo.com/foto2.jpg"';
   const csv = `${header}\n${example}\n`;
   res.setHeader("Content-Type", "text/csv; charset=utf-8");
   res.setHeader("Content-Disposition", 'attachment; filename="plantilla-importacion.csv"');
@@ -217,10 +226,10 @@ export async function POST(req: MedusaRequest<{ csv: string }>, res: MedusaRespo
   }
 
   const categoryByName = new Map(
-    categories.filter((c) => c.name).map((c) => [normalizeTitleForMatch(c.name), c.id]),
+    categories.filter((c) => c.name).map((c) => [normalizeNameForMatch(c.name), c.id]),
   );
   const collectionByName = new Map(
-    collections.filter((c) => c.title).map((c) => [normalizeTitleForMatch(c.title), c.id]),
+    collections.filter((c) => c.title).map((c) => [normalizeNameForMatch(c.title), c.id]),
   );
   const productByTitle = new Map(
     existingProducts.filter((p) => p.title).map((p) => [normalizeTitleForMatch(p.title), p]),
@@ -289,7 +298,7 @@ export async function POST(req: MedusaRequest<{ csv: string }>, res: MedusaRespo
       if (!inventoryItemId) throw new Error("No se pudo crear el registro de inventario");
 
       const categoryName = row.categoria?.trim();
-      let categoryId = categoryName ? categoryByName.get(normalizeTitleForMatch(categoryName)) : undefined;
+      let categoryId = categoryName ? categoryByName.get(normalizeNameForMatch(categoryName)) : undefined;
       if (categoryName && !categoryId) {
         const { result: createdCategories } = await createProductCategoriesWorkflow(req.scope).run({
           input: {
@@ -299,11 +308,11 @@ export async function POST(req: MedusaRequest<{ csv: string }>, res: MedusaRespo
           },
         });
         categoryId = createdCategories[0].id;
-        categoryByName.set(normalizeTitleForMatch(categoryName), categoryId);
+        categoryByName.set(normalizeNameForMatch(categoryName), categoryId);
       }
 
       const collectionName = row.coleccion?.trim();
-      let collectionId = collectionName ? collectionByName.get(normalizeTitleForMatch(collectionName)) : undefined;
+      let collectionId = collectionName ? collectionByName.get(normalizeNameForMatch(collectionName)) : undefined;
       if (collectionName && !collectionId) {
         const { result: createdCollections } = await createCollectionsWorkflow(req.scope).run({
           input: {
@@ -313,7 +322,7 @@ export async function POST(req: MedusaRequest<{ csv: string }>, res: MedusaRespo
           },
         });
         collectionId = createdCollections[0].id;
-        collectionByName.set(normalizeTitleForMatch(collectionName), collectionId);
+        collectionByName.set(normalizeNameForMatch(collectionName), collectionId);
       }
 
       await createProductsWorkflow(req.scope).run({
diff --git a/workloads/ecommerce/app/catalog/page.tsx b/workloads/ecommerce/app/catalog/page.tsx
index dac4e0c..ac25d61 100644
--- a/workloads/ecommerce/app/catalog/page.tsx
+++ b/workloads/ecommerce/app/catalog/page.tsx
@@ -11,6 +11,13 @@ type CatalogPageProps = {
   searchParams: Promise<Record<string, string | string[] | undefined>>;
 };
 
+// Sin tildes/eñes ni mayusculas: los links viejos (o escritos a mano)
+// como ?category=Munecas y peluches siguen llevando a la categoria real
+// "Muñecas y peluches" (renombrada con tildes el 2026-09-27).
+function normalizeName(value: string): string {
+  return value.normalize("NFD").replace(/[\u0300-\u036f]/g, "").trim().toLowerCase();
+}
+
 function single(value: string | string[] | undefined): string {
   return Array.isArray(value) ? value[0] ?? "" : value ?? "";
 }
@@ -19,7 +26,9 @@ export default async function CatalogPage({ searchParams }: CatalogPageProps) {
   const params = await searchParams;
   const [products, categories] = await Promise.all([getProducts(), getCategories()]);
 
-  const category = single(params.category) || "Todos";
+  const requestedCategory = single(params.category) || "Todos";
+  const category =
+    categories.find((node) => normalizeName(node.name) === normalizeName(requestedCategory))?.name ?? requestedCategory;
   const collection = single(params.collection);
   const query = single(params.q);
   const taxonomy = {