diff --git a/esphome/components/lvgl/lvcode.py b/esphome/components/lvgl/lvcode.py
index c11597131f1..e2c70642a80 100644
--- a/esphome/components/lvgl/lvcode.py
+++ b/esphome/components/lvgl/lvcode.py
@@ -337,7 +337,7 @@ def lv_Pvariable(type, name) -> MockObj:
     """
     if isinstance(name, str):
         name = ID(name, True, type)
-    decl = VariableDeclarationExpression(type, "*", name)
+    decl = VariableDeclarationExpression(type, "*", name, static=True)
     CORE.add_global(decl)
     var = MockObj(name, "->")
     CORE.register_variable(name, var)
@@ -353,7 +353,7 @@ def lv_variable(type, name) -> MockObj:
     """
     if isinstance(name, str):
         name = ID(name, True, type)
-    decl = VariableDeclarationExpression(type, "", name)
+    decl = VariableDeclarationExpression(type, "", name, static=True)
     CORE.add_global(decl)
     var = MockObj(name, ".")
     CORE.register_variable(name, var)
diff --git a/esphome/components/mapping/__init__.py b/esphome/components/mapping/__init__.py
index 94c7c10a82a..a36b414fd51 100644
--- a/esphome/components/mapping/__init__.py
+++ b/esphome/components/mapping/__init__.py
@@ -133,7 +133,7 @@ async def to_code(config):
         value_type,
     )
     var = MockObj(varid, ".")
-    decl = VariableDeclarationExpression(varid.type, "", varid)
+    decl = VariableDeclarationExpression(varid.type, "", varid, static=True)
     add_global(decl)
     CORE.register_variable(varid, var)
 
diff --git a/esphome/cpp_generator.py b/esphome/cpp_generator.py
index 1a47b346b77..0478e45f7b1 100644
--- a/esphome/cpp_generator.py
+++ b/esphome/cpp_generator.py
@@ -51,15 +51,19 @@ class AssignmentExpression(Expression):
 
 
 class VariableDeclarationExpression(Expression):
-    __slots__ = ("type", "modifier", "name")
+    __slots__ = ("type", "modifier", "name", "static")
 
-    def __init__(self, type_, modifier, name):
+    def __init__(
+        self, type_: "MockObj", modifier: str, name: ID, *, static: bool = False
+    ) -> None:
         self.type = type_
         self.modifier = modifier
         self.name = name
+        self.static = static
 
-    def __str__(self):
-        return f"{self.type} {self.modifier}{self.name}"
+    def __str__(self) -> str:
+        prefix = "static " if self.static else ""
+        return f"{prefix}{self.type} {self.modifier}{self.name}"
 
 
 class ExpressionList(Expression):
@@ -522,7 +526,7 @@ def new_variable(id_: ID, rhs: SafeExpType, type_: "MockObj" = None) -> "MockObj
     obj = MockObj(id_, ".")
     if type_ is not None:
         id_.type = type_
-    decl = VariableDeclarationExpression(id_.type, "", id_)
+    decl = VariableDeclarationExpression(id_.type, "", id_, static=True)
     CORE.add_global(decl)
     assignment = AssignmentExpression(None, "", id_, rhs)
     CORE.add(assignment)
@@ -544,7 +548,7 @@ def Pvariable(id_: ID, rhs: SafeExpType, type_: "MockObj" = None) -> "MockObj":
     obj = MockObj(id_, "->")
     if type_ is not None:
         id_.type = type_
-    decl = VariableDeclarationExpression(id_.type, "*", id_)
+    decl = VariableDeclarationExpression(id_.type, "*", id_, static=True)
     CORE.add_global(decl)
     assignment = AssignmentExpression(None, None, id_, rhs)
     CORE.add(assignment)