diff --git a/tests/test_default_response_class.py b/tests/test_default_response_class.py
index 042fb1dea9..88498e5601 100644
--- a/tests/test_default_response_class.py
+++ b/tests/test_default_response_class.py
@@ -1,15 +1,18 @@
 from typing import Any
 
-import orjson
 from fastapi import APIRouter, FastAPI
 from fastapi.responses import HTMLResponse, JSONResponse, PlainTextResponse
 from fastapi.testclient import TestClient
 
+from tests.utils import needs_orjson
+
 
 class ORJSONResponse(JSONResponse):
     media_type = "application/x-orjson"
 
     def render(self, content: Any) -> bytes:
+        import orjson
+
         return orjson.dumps(content)
 
 
@@ -118,6 +121,7 @@ html_type = "text/html; charset=utf-8"
 override_type = "application/x-override"
 
 
+@needs_orjson
 def test_app():
     with client:
         response = client.get("/")
@@ -132,6 +136,7 @@ def test_app_override():
     assert response.headers["content-type"] == text_type
 
 
+@needs_orjson
 def test_router_a():
     with client:
         response = client.get("/a")
@@ -146,6 +151,7 @@ def test_router_a_override():
     assert response.headers["content-type"] == text_type
 
 
+@needs_orjson
 def test_router_a_a():
     with client:
         response = client.get("/a/a")
diff --git a/tests/test_deprecated_responses.py b/tests/test_deprecated_responses.py
index eff5792717..b370d405bd 100644
--- a/tests/test_deprecated_responses.py
+++ b/tests/test_deprecated_responses.py
@@ -7,6 +7,8 @@ from fastapi.responses import ORJSONResponse, UJSONResponse
 from fastapi.testclient import TestClient
 from pydantic import BaseModel
 
+from tests.utils import needs_orjson
+
 
 class Item(BaseModel):
     name: str
@@ -28,6 +30,7 @@ def _make_orjson_app() -> FastAPI:
     return app
 
 
+@needs_orjson
 def test_orjson_response_returns_correct_data():
     app = _make_orjson_app()
     client = TestClient(app)
@@ -38,6 +41,7 @@ def test_orjson_response_returns_correct_data():
     assert response.json() == {"name": "widget", "price": 9.99}
 
 
+@needs_orjson
 def test_orjson_response_emits_deprecation_warning():
     with pytest.warns(FastAPIDeprecationWarning, match="ORJSONResponse is deprecated"):
         ORJSONResponse(content={"hello": "world"})
diff --git a/tests/test_orjson_response_class.py b/tests/test_orjson_response_class.py
index 63ea054d1f..83940a368c 100644
--- a/tests/test_orjson_response_class.py
+++ b/tests/test_orjson_response_class.py
@@ -1,11 +1,14 @@
 import warnings
 
+import pytest
 from fastapi import FastAPI
 from fastapi.exceptions import FastAPIDeprecationWarning
 from fastapi.responses import ORJSONResponse
 from fastapi.testclient import TestClient
 from sqlalchemy.sql.elements import quoted_name
 
+pytest.importorskip("orjson")
+
 with warnings.catch_warnings():
     warnings.simplefilter("ignore", FastAPIDeprecationWarning)
     app = FastAPI(default_response_class=ORJSONResponse)
diff --git a/tests/test_tutorial/test_custom_response/test_tutorial001b.py b/tests/test_tutorial/test_custom_response/test_tutorial001b.py
index 11ce813b76..f783e563cb 100644
--- a/tests/test_tutorial/test_custom_response/test_tutorial001b.py
+++ b/tests/test_tutorial/test_custom_response/test_tutorial001b.py
@@ -11,6 +11,8 @@ with warnings.catch_warnings():
 
 client = TestClient(app)
 
+pytest.importorskip("orjson")
+
 
 @pytest.mark.filterwarnings("ignore::fastapi.exceptions.FastAPIDeprecationWarning")
 def test_get_custom_response():
diff --git a/tests/test_tutorial/test_custom_response/test_tutorial009c.py b/tests/test_tutorial/test_custom_response/test_tutorial009c.py
index 7a1b713079..bc41ca0c25 100644
--- a/tests/test_tutorial/test_custom_response/test_tutorial009c.py
+++ b/tests/test_tutorial/test_custom_response/test_tutorial009c.py
@@ -1,5 +1,8 @@
+import pytest
 from fastapi.testclient import TestClient
 
+pytest.importorskip("orjson")
+
 from docs_src.custom_response.tutorial009c_py310 import app
 
 client = TestClient(app)
diff --git a/tests/utils.py b/tests/utils.py
index fff7348b9c..e1a8930e10 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -1,3 +1,4 @@
+import importlib
 import sys
 
 import pytest
@@ -9,6 +10,11 @@ needs_py314 = pytest.mark.skipif(
     sys.version_info < (3, 14), reason="requires python3.14+"
 )
 
+needs_orjson = pytest.mark.skipif(
+    importlib.util.find_spec("orjson") is None,
+    reason="requires orjson",
+)
+
 workdir_lock = pytest.mark.xdist_group("workdir_lock")