diff --git a/fastplotlib/layouts/_figure.py b/fastplotlib/layouts/_figure.py
index 8fd5dc666..67c806075 100644
--- a/fastplotlib/layouts/_figure.py
+++ b/fastplotlib/layouts/_figure.py
@@ -53,6 +53,8 @@ def __init__(
         size: tuple[int, int] = (500, 300),
         names: list | np.ndarray = None,
         show_tooltips: bool = False,
+        custom_fonts: list[tuple[str, float]] = None,
+        override_default_font: bool = False,
     ):
         """
         Create a Figure containing Subplots.
@@ -127,6 +129,11 @@ def __init__(
         show_tooltips: bool, default False
             show tooltips on graphics
 
+        custom_fonts: list[tuple[str, float]], optional
+            Custom font file path and pixel sizes, TrueType/OpenType are supported.
+
+        override_default_font: bool, default False
+            Load custom fonts before default fonts
         """
 
         if rects is not None:
diff --git a/fastplotlib/layouts/_imgui_figure.py b/fastplotlib/layouts/_imgui_figure.py
index 046c622ea..523c25cae 100644
--- a/fastplotlib/layouts/_imgui_figure.py
+++ b/fastplotlib/layouts/_imgui_figure.py
@@ -45,6 +45,8 @@ def __init__(
         size: tuple[int, int] = (500, 300),
         names: list | np.ndarray = None,
         show_tooltips: bool = False,
+        custom_fonts: list[tuple[str, float]] = None,
+        override_default_font: bool = False,
     ):
         self._guis: dict[str, EdgeWindow] = {k: None for k in GUI_EDGES}
 
@@ -62,6 +64,8 @@ def __init__(
             size=size,
             names=names,
             show_tooltips=show_tooltips,
+            custom_fonts=custom_fonts,
+            override_default_font=override_default_font,
         )
 
         self._imgui_renderer = ImguiRenderer(self.renderer.device, self.canvas)
@@ -82,18 +86,26 @@ def __init__(
 
         io = imgui.get_io()
 
-        self._default_imgui_font = io.fonts.add_font_from_file_ttf(
-            sans_serif_font, 14, imgui.ImFontConfig()
-        )
-
-        font_config = imgui.ImFontConfig()
-        font_config.merge_mode = True
+        default_fonts = [(sans_serif_font, 14), (fa_6_fonts_path, 14.0)]
+        custom_fonts = custom_fonts if custom_fonts is not None else []
 
-        self._default_imgui_font = io.fonts.add_font_from_file_ttf(
-            fa_6_fonts_path,
-            14,
-            font_config,
-        )
+        if override_default_font:
+            font_list = custom_fonts + default_fonts
+        else:
+            font_list = default_fonts + custom_fonts
+
+        first_font = True
+        for font_path, font_size in font_list:
+            font_config = imgui.ImFontConfig()
+            font_config.merge_mode = not first_font
+            if first_font:
+                first_font = False
+
+            self._default_imgui_font = io.fonts.add_font_from_file_ttf(
+                font_path,
+                font_size,
+                font_config,
+            )
 
         imgui.push_font(self._default_imgui_font, self._default_imgui_font.legacy_size)