diff --git a/esphome/components/lvgl/lv_validation.py b/esphome/components/lvgl/lv_validation.py
index 23c322c31f..9c1dd22085 100644
--- a/esphome/components/lvgl/lv_validation.py
+++ b/esphome/components/lvgl/lv_validation.py
@@ -40,7 +40,7 @@ from .helpers import (
     lv_fonts_used,
     requires_component,
 )
-from .types import lv_font_t, lv_gradient_t
+from .types import lv_gradient_t
 
 opacity_consts = LvConstant("LV_OPA_", "TRANSP", "COVER")
 
@@ -498,7 +498,9 @@ class LvFont(LValidator):
             esphome_fonts_used.add(fontval)
             return requires_component("font")(fontval)
 
-        super().__init__(validator, lv_font_t)
+        # Use font::Font* as return type for lambdas returning ESPHome fonts
+        # The inline overloads in lvgl_esphome.h handle conversion to lv_font_t*
+        super().__init__(validator, Font.operator("ptr"))
 
     async def process(self, value, args=()):
         if is_lv_font(value):
diff --git a/esphome/components/lvgl/widgets/line.py b/esphome/components/lvgl/widgets/line.py
index bd90edbefc..57cb965737 100644
--- a/esphome/components/lvgl/widgets/line.py
+++ b/esphome/components/lvgl/widgets/line.py
@@ -6,7 +6,7 @@ from esphome.core import Lambda
 from ..defines import CONF_MAIN, call_lambda
 from ..lvcode import lv_add
 from ..schemas import point_schema
-from ..types import LvCompound, LvType
+from ..types import LvCompound, LvType, lv_coord_t
 from . import Widget, WidgetType
 
 CONF_LINE = "line"
@@ -23,9 +23,7 @@ LINE_SCHEMA = {
 
 async def process_coord(coord):
     if isinstance(coord, Lambda):
-        coord = call_lambda(
-            await cg.process_lambda(coord, [], return_type="lv_coord_t")
-        )
+        coord = call_lambda(await cg.process_lambda(coord, [], return_type=lv_coord_t))
         if not coord.endswith("()"):
             coord = f"static_cast<lv_coord_t>({coord})"
         return cg.RawExpression(coord)