diff --git a/amaranth/lib/data.py b/amaranth/lib/data.py
index ae518eb..e0dda08 100644
--- a/amaranth/lib/data.py
+++ b/amaranth/lib/data.py
@@ -1,5 +1,6 @@
 from abc import ABCMeta, abstractmethod, abstractproperty
 from collections.abc import Mapping, Sequence
+import warnings
 
 from amaranth.hdl import *
 from amaranth.hdl.ast import ShapeCastable, ValueCastable
@@ -599,6 +600,12 @@ class View(ValueCastable):
             raise ValueError("View target is {} bit(s) wide, which is not compatible with "
                              "the {} bit(s) wide view layout"
                              .format(len(cast_target), cast_layout.size))
+        for name, field in cast_layout:
+            if isinstance(name, str) and name[0] != "_" and hasattr(type(self), name):
+                warnings.warn("View layout includes a field {!r} that will be shadowed by "
+                              "the view attribute '{}.{}.{}'"
+                              .format(name, type(self).__module__, type(self).__qualname__, name),
+                              SyntaxWarning, stacklevel=1)
         self.__orig_layout = layout
         self.__layout = cast_layout
         self.__target = cast_target
diff --git a/tests/test_lib_data.py b/tests/test_lib_data.py
index e4b5cf5..5ce1120 100644
--- a/tests/test_lib_data.py
+++ b/tests/test_lib_data.py
@@ -465,6 +465,22 @@ class ViewTestCase(FHDLTestCase):
                 r"^View layout must be a layout, not <.+?>$"):
             View(object(), Signal(1))
 
+    def test_layout_conflict_with_attr(self):
+        with self.assertWarnsRegex(SyntaxWarning,
+                r"^View layout includes a field 'as_value' that will be shadowed by the view "
+                r"attribute 'amaranth\.lib\.data\.View\.as_value'$"):
+            View(StructLayout({"as_value": unsigned(1)}), Signal(1))
+
+    def test_layout_conflict_with_attr_derived(self):
+        class DerivedView(View):
+            def foo(self):
+                pass
+        with self.assertWarnsRegex(SyntaxWarning,
+                r"^View layout includes a field 'foo' that will be shadowed by the view "
+                r"attribute 'tests\.test_lib_data\.ViewTestCase\."
+                r"test_layout_conflict_with_attr_derived\.<locals>.DerivedView\.foo'$"):
+            DerivedView(StructLayout({"foo": unsigned(1)}), Signal(1))
+
     def test_target_wrong_type(self):
         with self.assertRaisesRegex(TypeError,
                 r"^View target must be a value-castable object, not <.+?>$"):